public static void ShowFullscreenAdMP() {
   if (SonarFrameworkSettings.USE_MOPUB) {
     mopub.ShowFullscreenAd();
   }
 }
 public static void ShowFullscreenAdAM() {
   if (SonarFrameworkSettings.USE_ADMOB) {
     admob.ShowFullscreenAd();
   }
 }
 // Chartboost Functions
 public static void ShowFullscreenAdCB() {
   if (SonarFrameworkSettings.USE_CHARTBOOST) {
     chartboost.ShowFullscreenAd();
   }
 }
 // Revmob Functions
 public static void ShowFullscreenAd() {
   if (SonarFrameworkSettings.USE_REVMOB) {
     revmob.ShowFullscreenAd();
   }
 }