docs: public void setEnable(boolean flag)
      {
          if (mEnabled == flag)
          {
              return;
          }
          mEnabled = flag;
          if (flag)
          {
              mContext.registerDrawFrameListener(this);
              mContext.getApplication().getEventReceiver().addListener(this);
              mAudioEngine.resume();
          }
          else
          {
              mContext.unregisterDrawFrameListener(this);
              mContext.getApplication().getEventReceiver().removeListener(this);
              mAudioEngine.pause();
          }
      }