Board Thread:Wiki General Discussion/@comment-121.54.49.27-20130312035248/@comment-5706972-20130316193115

My son's iPod does that sometimes - try closing the app and re-opening

For iOS:

1. Go to the home screen

2. Double tap the home button

3. Press and hold the icon until you see a red minus (-)

4. Click the minus

5. WAIT 10 seconds (this is an important step!)

6. Reopen the game