To clear your cache, please follow these instructions:
  • Tap and hold the icon in the app drawer.
  • Drag it to "App Info".
  • Tap "Clear Cache".
When you load the game once more, you may be logged out of your account. If this happens, please go to the Settings menu to log in once more after playing through the level 1 tutorial. This will restore your level progress.

If you run into any issues, let us know and we'd be happy to assist you further.