diff --git a/DroidFish/res/values-de/strings.xml b/DroidFish/res/values-de/strings.xml
index e734721..c0862aa 100644
--- a/DroidFish/res/values-de/strings.xml
+++ b/DroidFish/res/values-de/strings.xml
@@ -2,7 +2,6 @@
 <!--Generated by crowdin.com-->
 <resources>
   <string name="app_name">DroidFish</string>
-  <string name="engine_threads_default">1</string>
   <string name="engine_hash_default">16</string>
   <string name="moves_per_session_default">60</string>
   <string name="time_control_default">120000</string>
@@ -207,6 +206,7 @@ wenn Sie es nicht aktiv nutzen.\
   <string name="stockfish_engine">Stockfish</string>
   <string name="cuckoochess_engine">CuckooChess</string>
   <string name="select_engine">Schach-Engine auswählen</string>
+  <string name="engine_options">Engine Options</string>
   <string name="set_engine_options">Einstellungen festlegen</string>
   <string name="configure_network_engine">Konfiguration von Schach-Engines auf Netzservern</string>
   <string name="create_network_engine">Netzserver-Engine erstellen</string>
@@ -263,8 +263,6 @@ wenn Sie es nicht aktiv nutzen.\
   <string name="prefs_strength_summary">Wird nur von internen Engines unterstützt. Im Analyse-Modus wird stets die volle Stärke verwendet.</string>
   <string name="prefs_ponderMode_title">Vorausberechnung</string>
   <string name="prefs_ponderMode_summary">Vorausberechnung von Zügen durch die Engine, wenn der Spieler am Zug ist (von den meisten Engines unterstützt)</string>
-  <string name="prefs_threads_title">Parallelberechnung</string>
-  <string name="prefs_threads_summary">Zahl der zu nutzenden parallelen Engine-Stränge bzw. Prozessorkerne (nicht von allen Engines unterstützt)</string>
   <string name="prefs_hash_title">Hash-Tabelle</string>
   <string name="prefs_hash_summary">Größe der Hash-Tabelle in Megabyte</string>
   <string name="prefs_time_control">Zeitvorgabe</string>
@@ -408,11 +406,11 @@ wenn Sie es nicht aktiv nutzen.\
   <string name="prefs_tbEngineProbe_title">Engine-Zugriff</string>
   <string name="prefs_tbEngineProbe_summary">Endspieldatenbank-Nutzung durch die Engine ermöglichen, sofern unterstützt</string>
   <string name="prefs_gtbPath_title">GTB-Verzeichnis</string>
-  <string name="prefs_gtbPath_summary">Verzeichnis, in dem die Gaviota-Endspieldatenbanken installiert sind (zur Nutzung des Standard-Verzeichnisses freilassen)</string>
+  <string name="prefs_gtbPath_summary">Verzeichnis für Gaviota-Endspieldatenbanken (nichts eintragen zur Nutzung des Standardverzeichnisses)</string>
   <string name="prefs_gtbPathNet_title">GTB-Netzwerkverzeichnis</string>
   <string name="prefs_gtbPathNet_summary">Verzeichnung mit Gaviota-Endspieldatenbanken für Netzwerk-Engines</string>
   <string name="prefs_rtbPath_title">Syzygy-Verzeichnis</string>
-  <string name="prefs_rtbPath_summary">Verzeichnis für Syzygy-Endspieldatenbanken. Nichts eintragen zur Nutzung des Standardverzeichnisses</string>
+  <string name="prefs_rtbPath_summary">Verzeichnis für Syzygy-Endspieldatenbanken (nichts eintragen zur Nutzung des Standardverzeichnisses)</string>
   <string name="prefs_rtbPathNet_title">Syzygy-Netzwerkverzeichnis</string>
   <string name="prefs_rtbPathNet_summary">Verzeichnung mit Syzygy-Endspieldatenbanken für Netzwerk-Engines</string>
   <string name="buttonDesc_custom1">@string/prefs_custom_button_1</string>
@@ -421,26 +419,6 @@ wenn Sie es nicht aktiv nutzen.\
   <string name="buttonDesc_mode">Modus-Taste</string>
   <string name="buttonDesc_back">Zurück-Taste</string>
   <string name="buttonDesc_forward">Vorwärts-Taste</string>
-  <string-array name="engine_threads_texts">
-    <item>Automatisch</item>
-    <item>1</item>
-    <item>2</item>
-    <item>3</item>
-    <item>4</item>
-    <item>6</item>
-    <item>8</item>
-    <item>16</item>
-  </string-array>
-  <string-array name="engine_threads_values">
-    <item>0</item>
-    <item>1</item>
-    <item>2</item>
-    <item>3</item>
-    <item>4</item>
-    <item>6</item>
-    <item>8</item>
-    <item>16</item>
-  </string-array>
   <string-array name="viewPieceType_texts">
     <item>Figurenbezeichnungen in Englisch</item>
     <item>Figurenbezeichnungen in der Landessprache</item>
@@ -660,6 +638,7 @@ wenn Sie es nicht aktiv nutzen.\
     <item>@string/toggle_blind_mode</item>
     <item>@string/load_last_file</item>
     <item>@string/select_engine</item>
+    <item>@string/engine_options</item>
   </string-array>
   <string-array name="button_action_values">
     <item></item>
@@ -674,5 +653,6 @@ wenn Sie es nicht aktiv nutzen.\
     <item>blindMode</item>
     <item>loadLastFile</item>
     <item>selectEngine</item>
+    <item>engineOptions</item>
   </string-array>
 </resources>
diff --git a/DroidFish/res/values-es/strings.xml b/DroidFish/res/values-es/strings.xml
index 361bb4b..abd89df 100644
--- a/DroidFish/res/values-es/strings.xml
+++ b/DroidFish/res/values-es/strings.xml
@@ -2,7 +2,6 @@
 <!--Generated by crowdin.com-->
 <resources>
   <string name="app_name">DroidFish</string>
-  <string name="engine_threads_default">1</string>
   <string name="engine_hash_default">16</string>
   <string name="moves_per_session_default">60</string>
   <string name="time_control_default">120000</string>
@@ -41,7 +40,7 @@ Si está usted utilizando la batería, se recomienda que cambie los ajustes para
   <string name="load_scid_game">Cargar partida desde archivo Scid</string>
   <string name="save_game">Guardar partida en archivo PGN</string>
   <string name="get_fen">Recuperar Posición</string>
-  <string name="truncate_gametree">Podar Arbol de Variantes</string>
+  <string name="truncate_gametree">Podar Árbol de Variantes</string>
   <string name="move_var_up">Subir Variante </string>
   <string name="move_var_down">Bajar Variante </string>
   <string name="add_null_move">Añadir Movimiento Nulo</string>
@@ -114,8 +113,8 @@ Si está usted utilizando la batería, se recomienda que cambie los ajustes para
   <string name="goto_end_variation">Ir al final de la Variante</string>
   <string name="goto_next_variation">Ir a Variante Siguiente </string>
   <string name="load_next_game">Cargar Siguiente Partida</string>
-  <string name="auto_forward">Auto Forward</string>
-  <string name="auto_backward">Auto Backward</string>
+  <string name="auto_forward">Avance automático</string>
+  <string name="auto_backward">Retroceso automático</string>
   <string name="no_prev_game">No hay Partida Anterior</string>
   <string name="no_next_game">No hay Partida Siguiente</string>
   <string name="no_prev_fen">No hay posición anterior</string>
@@ -205,6 +204,7 @@ Si está usted utilizando la batería, se recomienda que cambie los ajustes para
   <string name="stockfish_engine">Stockfish</string>
   <string name="cuckoochess_engine">CuckooChess</string>
   <string name="select_engine">Seleccionar motor</string>
+  <string name="engine_options">Engine Options</string>
   <string name="set_engine_options">Ajuste de opciones</string>
   <string name="configure_network_engine">Configurar motor en la red</string>
   <string name="create_network_engine">Crear motor en la red</string>
@@ -261,8 +261,6 @@ Si está usted utilizando la batería, se recomienda que cambie los ajustes para
   <string name="prefs_strength_summary">Soportado únicamente por los motores internos. El modo análisis siempre utiliza fuerza máxima.</string>
   <string name="prefs_ponderMode_title">Pensar siempre</string>
   <string name="prefs_ponderMode_summary">Dejar calcular al motor mientras espera la jugada del oponente. Lo incorporan la mayoría de los motores.</string>
-  <string name="prefs_threads_title">Núcleos</string>
-  <string name="prefs_threads_summary">Número de núcleos del motor en uso. No lo incorporan todos los motores.</string>
   <string name="prefs_hash_title">Tablas Hash</string>
   <string name="prefs_hash_summary">Tamaño de las tablas hash en megabytes</string>
   <string name="prefs_time_control">Control de Tiempos</string>
@@ -272,8 +270,8 @@ Si está usted utilizando la batería, se recomienda que cambie los ajustes para
   <string name="prefs_timeControl_summary">Máximo tiempo de cálculo entre controles de tiempo</string>
   <string name="prefs_timeIncrement_title">Incremento</string>
   <string name="prefs_timeIncrement_summary">Tiempo extra de cálculo por cada jugada hecha</string>
-  <string name="prefs_autoDelay_title">Auto Move Delay</string>
-  <string name="prefs_autoDelay_summary">Delay between moves in automatic forward/backward mode</string>
+  <string name="prefs_autoDelay_title">Tiempo de espera en Reproducción Automática</string>
+  <string name="prefs_autoDelay_summary">Retardo entre jugadas en el modo automático avance/retroceso</string>
   <string name="prefs_hints">Indicaciones / Información</string>
   <string name="prefs_showThinking_title">Mostrar cálculos del programa</string>
   <string name="prefs_showThinking_summary">Mostrar en pantalla información del algoritmo del programa durante la búsqueda</string>
@@ -419,26 +417,6 @@ Si está usted utilizando la batería, se recomienda que cambie los ajustes para
   <string name="buttonDesc_mode">Botón de modo</string>
   <string name="buttonDesc_back">Botón de retroceso</string>
   <string name="buttonDesc_forward">Botón de avance</string>
-  <string-array name="engine_threads_texts">
-    <item>Automático</item>
-    <item>1</item>
-    <item>2</item>
-    <item>3</item>
-    <item>4</item>
-    <item>6</item>
-    <item>8</item>
-    <item>16</item>
-  </string-array>
-  <string-array name="engine_threads_values">
-    <item>0</item>
-    <item>1</item>
-    <item>2</item>
-    <item>3</item>
-    <item>4</item>
-    <item>6</item>
-    <item>8</item>
-    <item>16</item>
-  </string-array>
   <string-array name="viewPieceType_texts">
     <item>Notación en inglés</item>
     <item>Notación en el idioma local</item>
@@ -658,6 +636,7 @@ Si está usted utilizando la batería, se recomienda que cambie los ajustes para
     <item>@string/toggle_blind_mode</item>
     <item>@string/load_last_file</item>
     <item>@string/select_engine</item>
+    <item>@string/engine_options</item>
   </string-array>
   <string-array name="button_action_values">
     <item></item>
@@ -672,5 +651,6 @@ Si está usted utilizando la batería, se recomienda que cambie los ajustes para
     <item>blindMode</item>
     <item>loadLastFile</item>
     <item>selectEngine</item>
+    <item>engineOptions</item>
   </string-array>
 </resources>
diff --git a/DroidFish/res/values-fr/strings.xml b/DroidFish/res/values-fr/strings.xml
index 6b6a6d0..a53629f 100644
--- a/DroidFish/res/values-fr/strings.xml
+++ b/DroidFish/res/values-fr/strings.xml
@@ -2,7 +2,6 @@
 <!--Generated by crowdin.com-->
 <resources>
   <string name="app_name">DroidFish</string>
-  <string name="engine_threads_default">1</string>
   <string name="engine_hash_default">16</string>
   <string name="moves_per_session_default">60</string>
   <string name="time_control_default">120000</string>
@@ -204,6 +203,7 @@ préserver la batterie, ou de quitter <i>DroidFish</i> en utilisant la touche re
   <string name="stockfish_engine">Stockfish</string>
   <string name="cuckoochess_engine">CuckooChess</string>
   <string name="select_engine">Sélectionner le module</string>
+  <string name="engine_options">Engine Options</string>
   <string name="set_engine_options">Set options</string>
   <string name="configure_network_engine">Configurer le module réseau</string>
   <string name="create_network_engine">Créer un module réseau</string>
@@ -260,8 +260,6 @@ préserver la batterie, ou de quitter <i>DroidFish</i> en utilisant la touche re
   <string name="prefs_strength_summary">Supporté uniquement par les modules internes. Le mode Analyse utilisera toujours le niveau maximal.</string>
   <string name="prefs_ponderMode_title">Pondering</string>
   <string name="prefs_ponderMode_summary">Laisser le module actif lors du coup de l\'opposant. Supporté par la plupart des modules.</string>
-  <string name="prefs_threads_title">Tâches d’exécution </string>
-  <string name="prefs_threads_summary">Nombre de tâches d\'exécution (cœurs processeur) à utiliser. Non supporté par tous les modules.</string>
   <string name="prefs_hash_title">Table de hachage</string>
   <string name="prefs_hash_summary">Taille de la table de hachage en megaoctets</string>
   <string name="prefs_time_control">Cadence </string>
@@ -418,26 +416,6 @@ préserver la batterie, ou de quitter <i>DroidFish</i> en utilisant la touche re
   <string name="buttonDesc_mode">Bouton du Mode</string>
   <string name="buttonDesc_back">Bouton Retourner</string>
   <string name="buttonDesc_forward">Bouton Avancer</string>
-  <string-array name="engine_threads_texts">
-    <item>Automatique</item>
-    <item>1</item>
-    <item>2</item>
-    <item>3</item>
-    <item>4</item>
-    <item>6</item>
-    <item>8</item>
-    <item>16</item>
-  </string-array>
-  <string-array name="engine_threads_values">
-    <item>0</item>
-    <item>1</item>
-    <item>2</item>
-    <item>3</item>
-    <item>4</item>
-    <item>6</item>
-    <item>8</item>
-    <item>16</item>
-  </string-array>
   <string-array name="viewPieceType_texts">
     <item>Lettres anglaises</item>
     <item>Lettres de la langue locale</item>
@@ -657,6 +635,7 @@ préserver la batterie, ou de quitter <i>DroidFish</i> en utilisant la touche re
     <item>@string/toggle_blind_mode</item>
     <item>@string/load_last_file</item>
     <item>@string/select_engine</item>
+    <item>@string/engine_options</item>
   </string-array>
   <string-array name="button_action_values">
     <item></item>
@@ -671,5 +650,6 @@ préserver la batterie, ou de quitter <i>DroidFish</i> en utilisant la touche re
     <item>blindMode</item>
     <item>loadLastFile</item>
     <item>selectEngine</item>
+    <item>engineOptions</item>
   </string-array>
 </resources>
diff --git a/DroidFish/res/values-it/strings.xml b/DroidFish/res/values-it/strings.xml
index 52dd76e..1cc8cb5 100644
--- a/DroidFish/res/values-it/strings.xml
+++ b/DroidFish/res/values-it/strings.xml
@@ -2,7 +2,6 @@
 <!--Generated by crowdin.com-->
 <resources>
   <string name="app_name">DroidFish</string>
-  <string name="engine_threads_default">1</string>
   <string name="engine_hash_default">16</string>
   <string name="moves_per_session_default">60</string>
   <string name="time_control_default">120000</string>
@@ -198,6 +197,7 @@
   <string name="stockfish_engine">Stockfish</string>
   <string name="cuckoochess_engine">CuckooChess</string>
   <string name="select_engine">Seleziona il motore</string>
+  <string name="engine_options">Engine Options</string>
   <string name="set_engine_options">Imposta le opzioni</string>
   <string name="configure_network_engine">Configura il motore di rete</string>
   <string name="create_network_engine">Crea un Motore di Rete</string>
@@ -254,8 +254,6 @@
   <string name="prefs_strength_summary">Supportato solo dai motori interni. La modalità di analisi utilizza sempre la massima forza.</string>
   <string name="prefs_ponderMode_title">Sto riflettendo</string>
   <string name="prefs_ponderMode_summary">Lascia che il motore rifletta nell\'attesa della mossa dell\'avversario. Supportato dalla maggior parte dei motori.</string>
-  <string name="prefs_threads_title">Threads</string>
-  <string name="prefs_threads_summary">Numero di thread (CPU core) che un motore può usare. Non supportato da tutti i motori.</string>
   <string name="prefs_hash_title">Tabella hash</string>
   <string name="prefs_hash_summary">Dimensione della tabella hash in megabyte</string>
   <string name="prefs_time_control">Controllo del tempo</string>
@@ -412,26 +410,6 @@
   <string name="buttonDesc_mode">Pulsante Modalità</string>
   <string name="buttonDesc_back">Pulsante Indietro</string>
   <string name="buttonDesc_forward">Pulsante Avanti</string>
-  <string-array name="engine_threads_texts">
-    <item>Automatico</item>
-    <item>1</item>
-    <item>2</item>
-    <item>3</item>
-    <item>4</item>
-    <item>6</item>
-    <item>8</item>
-    <item>16</item>
-  </string-array>
-  <string-array name="engine_threads_values">
-    <item>0</item>
-    <item>1</item>
-    <item>2</item>
-    <item>3</item>
-    <item>4</item>
-    <item>6</item>
-    <item>8</item>
-    <item>16</item>
-  </string-array>
   <string-array name="viewPieceType_texts">
     <item>Lettere inglesi</item>
     <item>Lettere in lingua locale</item>
@@ -651,6 +629,7 @@
     <item>@string/toggle_blind_mode</item>
     <item>@string/load_last_file</item>
     <item>@string/select_engine</item>
+    <item>@string/engine_options</item>
   </string-array>
   <string-array name="button_action_values">
     <item></item>
@@ -665,5 +644,6 @@
     <item>blindMode</item>
     <item>loadLastFile</item>
     <item>selectEngine</item>
+    <item>engineOptions</item>
   </string-array>
 </resources>
diff --git a/DroidFish/res/values-nl/strings.xml b/DroidFish/res/values-nl/strings.xml
index 6eab7ab..d54348f 100644
--- a/DroidFish/res/values-nl/strings.xml
+++ b/DroidFish/res/values-nl/strings.xml
@@ -2,7 +2,6 @@
 <!--Generated by crowdin.com-->
 <resources>
   <string name="app_name">DroidFish</string>
-  <string name="engine_threads_default">1</string>
   <string name="engine_hash_default">16</string>
   <string name="moves_per_session_default">60</string>
   <string name="time_control_default">120000</string>
@@ -205,6 +204,7 @@ daadwerkelijk af te sluiten (gebruik hiervoor de return toets op uw telefoon).\<
   <string name="stockfish_engine">Stockfish</string>
   <string name="cuckoochess_engine">CuckooChess</string>
   <string name="select_engine">Selecteer engine</string>
+  <string name="engine_options">Engine Options</string>
   <string name="set_engine_options">Opties</string>
   <string name="configure_network_engine">Netwerk engine instellen</string>
   <string name="create_network_engine">Creëer netwerk engine</string>
@@ -261,8 +261,6 @@ daadwerkelijk af te sluiten (gebruik hiervoor de return toets op uw telefoon).\<
   <string name="prefs_strength_summary">Alleen ondersteund door interne engines. Analyse gebruikt altijd de hoogste denksterkte.</string>
   <string name="prefs_ponderMode_title">Peinzen</string>
   <string name="prefs_ponderMode_summary">Laat de engine verder denken tijdens wachten op de zet van de tegenstander.</string>
-  <string name="prefs_threads_title">Threads</string>
-  <string name="prefs_threads_summary">Aantal engine threads (CPU cores). Wordt niet door alle engines ondersteund.</string>
   <string name="prefs_hash_title">Hashtabel</string>
   <string name="prefs_hash_summary">Hashtabel grootte in megabytes</string>
   <string name="prefs_time_control">Tijd controle</string>
@@ -419,26 +417,6 @@ daadwerkelijk af te sluiten (gebruik hiervoor de return toets op uw telefoon).\<
   <string name="buttonDesc_mode">Modus knop</string>
   <string name="buttonDesc_back">Terug knop</string>
   <string name="buttonDesc_forward">Vooruit knop</string>
-  <string-array name="engine_threads_texts">
-    <item>Automatisch</item>
-    <item>1</item>
-    <item>2</item>
-    <item>3</item>
-    <item>4</item>
-    <item>6</item>
-    <item>8</item>
-    <item>16</item>
-  </string-array>
-  <string-array name="engine_threads_values">
-    <item>0</item>
-    <item>1</item>
-    <item>2</item>
-    <item>3</item>
-    <item>4</item>
-    <item>6</item>
-    <item>8</item>
-    <item>16</item>
-  </string-array>
   <string-array name="viewPieceType_texts">
     <item>Engelse letters</item>
     <item>Vertaalde letters</item>
@@ -658,6 +636,7 @@ daadwerkelijk af te sluiten (gebruik hiervoor de return toets op uw telefoon).\<
     <item>@string/toggle_blind_mode</item>
     <item>@string/load_last_file</item>
     <item>@string/select_engine</item>
+    <item>@string/engine_options</item>
   </string-array>
   <string-array name="button_action_values">
     <item></item>
@@ -672,5 +651,6 @@ daadwerkelijk af te sluiten (gebruik hiervoor de return toets op uw telefoon).\<
     <item>blindMode</item>
     <item>loadLastFile</item>
     <item>selectEngine</item>
+    <item>engineOptions</item>
   </string-array>
 </resources>
diff --git a/DroidFish/res/values-pl/strings.xml b/DroidFish/res/values-pl/strings.xml
index 889286d..479ec5e 100644
--- a/DroidFish/res/values-pl/strings.xml
+++ b/DroidFish/res/values-pl/strings.xml
@@ -2,7 +2,6 @@
 <!--Generated by crowdin.com-->
 <resources>
   <string name="app_name">DroidFish</string>
-  <string name="engine_threads_default">1</string>
   <string name="engine_hash_default">16</string>
   <string name="moves_per_session_default">60</string>
   <string name="time_control_default">120000</string>
@@ -206,6 +205,7 @@ nie korzystasz aktywnie z programu.\</string>
   <string name="stockfish_engine">Stockfish</string>
   <string name="cuckoochess_engine">CuckooChess</string>
   <string name="select_engine">Wybierz silnik</string>
+  <string name="engine_options">Engine Options</string>
   <string name="set_engine_options">Ustaw opcje</string>
   <string name="configure_network_engine">Skonfiguruj silnik sieciowy</string>
   <string name="create_network_engine">Utwórz silnik sieciowy</string>
@@ -262,8 +262,6 @@ nie korzystasz aktywnie z programu.\</string>
   <string name="prefs_strength_summary">Wspierane wyłącznie przez lokalne silniki szachowe. Tryb analizy zawsze używa maksymalnej siły gry.</string>
   <string name="prefs_ponderMode_title">Namysł</string>
   <string name="prefs_ponderMode_summary">Silnik szachowy będzie liczył pozycję czekając na posunięcie przeciwnika. Wspierane przez większość silników.</string>
-  <string name="prefs_threads_title">Wątki</string>
-  <string name="prefs_threads_summary">Liczba używanych wątków silnika (rdzeni procesora). Nie jest wspierane przez niektóre silniki.</string>
   <string name="prefs_hash_title">Tablica haszująca</string>
   <string name="prefs_hash_summary">Rozmiar tablicy haszującej w megabajtach</string>
   <string name="prefs_time_control">Kontrola czasu</string>
@@ -420,26 +418,6 @@ nie korzystasz aktywnie z programu.\</string>
   <string name="buttonDesc_mode">Przycisk trybu</string>
   <string name="buttonDesc_back">Przycisk wstecz</string>
   <string name="buttonDesc_forward">Przysisk wprzód</string>
-  <string-array name="engine_threads_texts">
-    <item>Automatyczny</item>
-    <item>1</item>
-    <item>2</item>
-    <item>3</item>
-    <item>4</item>
-    <item>6</item>
-    <item>8</item>
-    <item>16</item>
-  </string-array>
-  <string-array name="engine_threads_values">
-    <item>0</item>
-    <item>1</item>
-    <item>2</item>
-    <item>3</item>
-    <item>4</item>
-    <item>6</item>
-    <item>8</item>
-    <item>16</item>
-  </string-array>
   <string-array name="viewPieceType_texts">
     <item>Angielskie litery</item>
     <item>Polskie litery</item>
@@ -659,6 +637,7 @@ nie korzystasz aktywnie z programu.\</string>
     <item>@string/toggle_blind_mode</item>
     <item>@string/load_last_file</item>
     <item>@string/select_engine</item>
+    <item>@string/engine_options</item>
   </string-array>
   <string-array name="button_action_values">
     <item></item>
@@ -673,5 +652,6 @@ nie korzystasz aktywnie z programu.\</string>
     <item>blindMode</item>
     <item>loadLastFile</item>
     <item>selectEngine</item>
+    <item>engineOptions</item>
   </string-array>
 </resources>
diff --git a/DroidFish/res/values-pt/strings.xml b/DroidFish/res/values-pt/strings.xml
index fa7d541..f2a7df0 100644
--- a/DroidFish/res/values-pt/strings.xml
+++ b/DroidFish/res/values-pt/strings.xml
@@ -2,7 +2,6 @@
 <!--Generated by crowdin.com-->
 <resources>
   <string name="app_name">DroidFish</string>
-  <string name="engine_threads_default">1</string>
   <string name="engine_hash_default">16</string>
   <string name="moves_per_session_default">60</string>
   <string name="time_control_default">120000</string>
@@ -206,6 +205,7 @@ não estiver usando o programa diretamente.\</string>
   <string name="stockfish_engine">Stockfish</string>
   <string name="cuckoochess_engine">CuckooChess</string>
   <string name="select_engine">Selecionar software</string>
+  <string name="engine_options">Engine Options</string>
   <string name="set_engine_options">Configurar opções</string>
   <string name="configure_network_engine">Configurar rede do software</string>
   <string name="create_network_engine">Criar rede do software</string>
@@ -262,8 +262,6 @@ não estiver usando o programa diretamente.\</string>
   <string name="prefs_strength_summary">Somente suportado pelo software interno. Modo análise sempre usa força total.</string>
   <string name="prefs_ponderMode_title">Análise constante</string>
   <string name="prefs_ponderMode_summary">Deixar o software analisando enquanto espera o lance do oponente. Suportado pela maioria dos softwares.</string>
-  <string name="prefs_threads_title">Threads</string>
-  <string name="prefs_threads_summary">Número de threads (CPUs) para usar. Não suportado por todos os softwares.</string>
   <string name="prefs_hash_title">Tabela hash</string>
   <string name="prefs_hash_summary">Tamanho da tabela hash em MB</string>
   <string name="prefs_time_control">Controle de tempo</string>
@@ -420,26 +418,6 @@ não estiver usando o programa diretamente.\</string>
   <string name="buttonDesc_mode">Botão de modo</string>
   <string name="buttonDesc_back">Botão voltar</string>
   <string name="buttonDesc_forward">Botão avançar</string>
-  <string-array name="engine_threads_texts">
-    <item>Automático</item>
-    <item>1</item>
-    <item>2</item>
-    <item>3</item>
-    <item>4</item>
-    <item>6</item>
-    <item>8</item>
-    <item>16</item>
-  </string-array>
-  <string-array name="engine_threads_values">
-    <item>0</item>
-    <item>1</item>
-    <item>2</item>
-    <item>3</item>
-    <item>4</item>
-    <item>6</item>
-    <item>8</item>
-    <item>16</item>
-  </string-array>
   <string-array name="viewPieceType_texts">
     <item>Letras em inglês</item>
     <item>Letras no idioma local</item>
@@ -659,6 +637,7 @@ não estiver usando o programa diretamente.\</string>
     <item>@string/toggle_blind_mode</item>
     <item>@string/load_last_file</item>
     <item>@string/select_engine</item>
+    <item>@string/engine_options</item>
   </string-array>
   <string-array name="button_action_values">
     <item></item>
@@ -673,5 +652,6 @@ não estiver usando o programa diretamente.\</string>
     <item>blindMode</item>
     <item>loadLastFile</item>
     <item>selectEngine</item>
+    <item>engineOptions</item>
   </string-array>
 </resources>
diff --git a/DroidFish/res/values-ru/strings.xml b/DroidFish/res/values-ru/strings.xml
index 951a1a5..11286de 100644
--- a/DroidFish/res/values-ru/strings.xml
+++ b/DroidFish/res/values-ru/strings.xml
@@ -2,7 +2,6 @@
 <!--Generated by crowdin.com-->
 <resources>
   <string name="app_name">DroidFish</string>
-  <string name="engine_threads_default">1</string>
   <string name="engine_hash_default">16</string>
   <string name="moves_per_session_default">60</string>
   <string name="time_control_default">120000</string>
@@ -106,8 +105,8 @@
   <string name="goto_end_variation">Перейти к последнему изменению</string>
   <string name="goto_next_variation">Перейти к следующему изменению</string>
   <string name="load_next_game">Загрузить следующую партию</string>
-  <string name="auto_forward">Auto Forward</string>
-  <string name="auto_backward">Auto Backward</string>
+  <string name="auto_forward">Авто вперед</string>
+  <string name="auto_backward">Авто обратной</string>
   <string name="no_prev_game">Предыдущая партия отсутствует</string>
   <string name="no_next_game">Следующая партия отсутствует</string>
   <string name="no_prev_fen">Нет предыдущей позиции</string>
@@ -124,7 +123,7 @@
   <string name="toggle_large_buttons">Переключатель больших кнопок</string>
   <string name="toggle_blind_mode">Переключатель режима игры в слепую</string>
   <string name="cancel">Отмена</string>
-  <string name="reset">Reset</string>
+  <string name="reset">Сброс</string>
   <string name="yes">Да</string>
   <string name="no">Нет</string>
   <string name="move_number">Номер хода:</string>
@@ -164,7 +163,7 @@
   <string name="load_scid_game_title">Загрузить Scid партию</string>
   <string name="load_fen_title">Загрузить позицию</string>
   <string name="cpu_warning_title">Предупреждение о процессоре (CPU)</string>
-  <string name="edit_options_title">UCI Options</string>
+  <string name="edit_options_title">Варианты UCI</string>
   <string name="failed_to_read_pgn_data">Не удалось прочесть pgn данные</string>
   <string name="variation">Изменение:</string>
   <string name="add_analysis">Добавить анализ</string>
@@ -197,7 +196,8 @@
   <string name="stockfish_engine">Stockfish</string>
   <string name="cuckoochess_engine">CuckooChess</string>
   <string name="select_engine">Выбрать движок</string>
-  <string name="set_engine_options">Set options</string>
+  <string name="engine_options">Engine Options</string>
+  <string name="set_engine_options">Параметры SET</string>
   <string name="configure_network_engine">Настройка сетевого движка</string>
   <string name="create_network_engine">Создать сетевой движок</string>
   <string name="delete_network_engine">Удалить сетевой движок?</string>
@@ -253,8 +253,6 @@
   <string name="prefs_strength_summary">Поддерживается только внутренними движками. Режим анализа всегда использует полную силу.</string>
   <string name="prefs_ponderMode_title">Размышление</string>
   <string name="prefs_ponderMode_summary">Позволить движку обдумывание во время ожидания хода оппонента. Поддерживается большинством движков.</string>
-  <string name="prefs_threads_title">Потоки</string>
-  <string name="prefs_threads_summary">Количество потоков (ядер) двигатель для использования. Не поддерживается всеми двигателями.</string>
   <string name="prefs_hash_title">Хэш-таблица</string>
   <string name="prefs_hash_summary">Размер хэш-таблицы в мегабайтах</string>
   <string name="prefs_time_control">Контроль времени</string>
@@ -264,8 +262,8 @@
   <string name="prefs_timeControl_summary">Максимальное время для размышления между отсечками</string>
   <string name="prefs_timeIncrement_title">Увеличение</string>
   <string name="prefs_timeIncrement_summary">Добавленное время размышления для каждого хода</string>
-  <string name="prefs_autoDelay_title">Auto Move Delay</string>
-  <string name="prefs_autoDelay_summary">Delay between moves in automatic forward/backward mode</string>
+  <string name="prefs_autoDelay_title">Автоматическое перемещение задержки</string>
+  <string name="prefs_autoDelay_summary">Задержка между движется в автоматическом режиме вперед/назад</string>
   <string name="prefs_hints">Подсказки</string>
   <string name="prefs_showThinking_title">Показать размышления компьютера</string>
   <string name="prefs_showThinking_summary">Отображать алгоритм компьютера во время поиска</string>
@@ -396,13 +394,13 @@
   <string name="prefs_tbRootProbe_title">Зондирование Root</string>
   <string name="prefs_tbRootProbe_summary">Фильтровать неоптимальные ходы перед началом поиска</string>
   <string name="prefs_tbEngineProbe_title">Зондирование движка</string>
-  <string name="prefs_tbEngineProbe_summary">Enable tablebase probing in engine, when supported</string>
+  <string name="prefs_tbEngineProbe_summary">Включить tablebase зондирование в двигатель, когда поддерживается</string>
   <string name="prefs_gtbPath_title">Директория GTB</string>
   <string name="prefs_gtbPath_summary">Директория, где инсталлирована база данных Гавиоты. Оставить пустой для использования директории по умолчанию</string>
-  <string name="prefs_gtbPathNet_title">GTB Network Directory</string>
-  <string name="prefs_gtbPathNet_summary">Directory for network engines where Gaviota tablebases are installed.</string>
-  <string name="prefs_rtbPath_title">Syzygy Directory</string>
-  <string name="prefs_rtbPath_summary">Directory where Syzygy tablebases are installed. Leave blank to use default directory</string>
+  <string name="prefs_gtbPathNet_title">БРГ сетевой каталог</string>
+  <string name="prefs_gtbPathNet_summary">Каталог для сети двигателей, где установлены Gaviota tablebases.</string>
+  <string name="prefs_rtbPath_title">Сизигия каталог</string>
+  <string name="prefs_rtbPath_summary">Директория, где инсталлирована база данных Гавиоты. Оставить пустой для использования директории по умолчанию</string>
   <string name="prefs_rtbPathNet_title">Syzygy Network Directory</string>
   <string name="prefs_rtbPathNet_summary">Directory for network engines where Syzygy tablebases are installed.</string>
   <string name="buttonDesc_custom1">@string/prefs_custom_button_1</string>
@@ -411,26 +409,6 @@
   <string name="buttonDesc_mode">Кнопка режима</string>
   <string name="buttonDesc_back">Кнопка перехода назад</string>
   <string name="buttonDesc_forward">Кнопка перехода вперед</string>
-  <string-array name="engine_threads_texts">
-    <item>Автоматически</item>
-    <item>1</item>
-    <item>2</item>
-    <item>3</item>
-    <item>4</item>
-    <item>6</item>
-    <item>8</item>
-    <item>16</item>
-  </string-array>
-  <string-array name="engine_threads_values">
-    <item>0</item>
-    <item>1</item>
-    <item>2</item>
-    <item>3</item>
-    <item>4</item>
-    <item>6</item>
-    <item>8</item>
-    <item>16</item>
-  </string-array>
   <string-array name="viewPieceType_texts">
     <item>Международная</item>
     <item>Русская</item>
@@ -650,6 +628,7 @@
     <item>@string/toggle_blind_mode</item>
     <item>@string/load_last_file</item>
     <item>@string/select_engine</item>
+    <item>@string/engine_options</item>
   </string-array>
   <string-array name="button_action_values">
     <item></item>
@@ -664,5 +643,6 @@
     <item>blindMode</item>
     <item>loadLastFile</item>
     <item>selectEngine</item>
+    <item>engineOptions</item>
   </string-array>
 </resources>