diff --git a/android/assets/i18n/messages/messages_en.properties b/android/assets/i18n/messages/messages_en.properties
index 390248f..70d808c 100644
--- a/android/assets/i18n/messages/messages_en.properties
+++ b/android/assets/i18n/messages/messages_en.properties
@@ -62,6 +62,7 @@
 [dialog-levelscreen-errornoworld]=No campaign is selected !
 [dialog-levelscreen-errorlevels]=Impossible to use the game with this database configuration, you can use the "Reinit" button to obtain the initial configuration of the databases.
 [dialog-gamescreen-preference]=You need to relaunch the game in order to apply the new preferences.
+[info_choose-gamescreen]=Choose this transmuter
 [WinOptions-gamescreen-Video]=Video
 [WinOptions-gamescreen-Audio]=Audio
 [WinOptions-gamescreen-Game]=Game
diff --git a/android/assets/i18n/messages/messages_fr.properties b/android/assets/i18n/messages/messages_fr.properties
index ce26431..2ce34aa 100644
--- a/android/assets/i18n/messages/messages_fr.properties
+++ b/android/assets/i18n/messages/messages_fr.properties
@@ -62,6 +62,7 @@
 [dialog-levelscreen-errornoworld]=Aucune campagne n'a été sélectionné
 [dialog-levelscreen-errorlevels]=Impossible de jouer sans bases de données correctement configurée, cliquer sur "Réinitialisation" si vous ne savez pas revenir à une situation jouable.
 [dialog-gamescreen-preference]=Veuillez relancer le jeu pour que les préférences soient appliquées.
+[info_choose-gamescreen]=Choisir ce transmuteur
 [WinOptions-gamescreen-Video]=Video
 [WinOptions-gamescreen-Audio]=Audio
 [WinOptions-gamescreen-Game]=Jeu
diff --git a/android/assets/textures/level.json b/android/assets/textures/level.json
index 6615480..4be80ad 100644
--- a/android/assets/textures/level.json
+++ b/android/assets/textures/level.json
@@ -19,7 +19,7 @@
       blue: { a: 1, b: 1, g: 0, r: 0 },
       white: { a: 1, b: 1, g: 1, r: 1 },
       black: { a: 1, b: 0, g: 0, r: 0 },
-      grey: { a: 1, b: 0, g: 0, r: 0 },
+      grey: { a: 0.15, b: 0.25, g: 0.25, r: 0.25 },
       lowgrey: { a: 1, b: 0.352, g: 0.352, r: 0.352 },
       world0: { r:0.843, g:0.129, b:1, a:1},
       world1: { r:0, g:0.752, b:0.956, a:1},
diff --git a/android/assets/textures/ui.json b/android/assets/textures/ui.json
index 7db9338..bee6ec3 100644
--- a/android/assets/textures/ui.json
+++ b/android/assets/textures/ui.json
@@ -5,6 +5,7 @@ com.badlogic.gdx.graphics.Color: {
     white: { a: 1, b: 1, g: 1, r: 1 },
     red: { a: 1, b: 0, g: 0, r: 1 },
     grey: { a: 1, b: 0.75, g: 0.75, r: 0.75 },
+    lowgrey: { a: 1, b: 0.25, g: 0.25, r: 0.25 },
     black: { a: 1, b: 0, g: 0, r: 0 }
 },
 com.badlogic.gdx.scenes.scene2d.ui.Skin$TintedDrawable: {
@@ -15,7 +16,7 @@ com.badlogic.gdx.scenes.scene2d.ui.Button$ButtonStyle: {
     toggle: { down: default-round-down, checked: default-round-down, up: default-round }
 },
 com.badlogic.gdx.scenes.scene2d.ui.TextButton$TextButtonStyle: {
-    default: { down: default-round-down, up: default-round, font: default-font, fontColor: white },
+    default: { down: default-round-down, up: default-round, font: default-font, fontColor: white, disabledFontColor:lowgrey },
     toggle: { down: default-round-down, up: default-round, checked: default-round-down, font: default-font, fontColor: white, 
     downFontColor: red }
 },