private void showInterstitialAd()     //called when btnShowInterstitial Clicked
 {
     log("Show Interstitial Ad...");
     ChocolateUnityBridge.showInterstitialAd();
 }
 public void buttonShowInterstitialClicked()     //Interstitial Ad Button Show Clicked
 {
     Debug.Log("Button Show Interstitial Clicked...");
     ChocolateUnityBridge.showInterstitialAd();
 }