play dummy audio for touch devices

src/game-lib-system-input.js

@@ -21,6 +21,8 @@ GameLib.System.Input = function(
 
 	this.sensitivityCounter = 0;
 
+	this.playAudio = true;
+
 	this.editorControls         = [];
 	this.orbitControls          = [];
 	this.firstPersonControls    = [];
@@ -978,6 +980,18 @@ GameLib.System.Input.prototype.onKeyboardKeyDown = function(event) {
 
 GameLib.System.Input.prototype.onTouchStart = function(event) {
 
+    if (this.playAudio) {
+
+        GameLib.Event.Emit(
+            GameLib.Event.PLAY_AUDIO,
+            {
+                name : 'Audio - Dummy'
+            }
+        );
+
+        this.playAudio = false;
+    }
+
     this.sensitivityCounter = 0;
 
     this.touches = {};