If the app is not starting up, please follow these steps: 

1. Ensure your device has a stable WiFi connection. We do not recommend you play the game over connections like 3G/4G. 
2. Verify if you have the latest version of the game. 
3. Clear the Cache on your device and quit applications you are currently not using. 

If you are still being affected by this issue, please tap "Contact Us" and a representative will contact you as soon as possible.