User blog comment:Na299/Ways of Gold Farming/@comment-80.98.35.232-20150422141934/@comment-2.233.226.155-20150422142926

You must kill the app after force closed and then start the game in flight mode (without internet connection), you'll see that your coins or level won't increase. So after doing this, you can activate your connection and save the game to the cloud. It works form me doing this way.