To fully close Clumsy Ninja:
- Open your Android settings menu
- Select the Applications or Apps option. The exact name of this option will depend on your device
- Tap Manage Applications.
- Select Running at the top of your Manage Applications window.
- View your list of running applications.
- Select Clumsy Ninja from the list and tap the Stop or Force Stop button to fully close the app. Again, the exactly name of the button will depend on your device.