1. Close out of the game by pressing the home button.
2. Double tap the home button. A bar should appear at the bottom of the screen.
3. If you are on iOS 6 or earlier, tap and hold on the Friend Bomber icon. This will reveal a minus button, tap the minus button and this will close the app. If you are on iOS 7, slide the Friend Bomber screen that has appeared up and this will close the app.
4. Tap on the Friend Bomber icon on your device and relaunch the game.
If you continue to have this problem please contact us via the "Report and Issue" or the Contact Us button found throughout the help system.