OpenTyrian: Invisible game buttons

project/jni/application/opentyrian/src/tyrian2.c

@@ -724,11 +724,16 @@ start_level_first:
 	extraGame = false;
 
 	doNotSaveBackup = false;
+
+	android_cleanup_screen_keys();
+
 	JE_loadMap();
 
 	if (mainLevel == 0)  // if quit itemscreen
 		return;          // back to titlescreen
 
+	android_setup_screen_keys();
+
 	fade_song();
 
 	for (uint i = 0; i < COUNTOF(player); ++i)