Please consult the possible solutions below if the app crashes:

Your device may be low on memory.

- Quit any other apps running in the background.
* When quitting an app please be sure to quit the app from the task menu by tapping the HOME button twice.

- If your wallpaper's file size is large, please remove it. If you have a live wallpaper set as your device's wallpaper, please replace it with a normal one.

- Delete your browsing history, cookies, and cache.

- Having too much data already stored on your device will increase the likelihood of an error occurring. Try deleting unnecessary files.

- Try turning your device off, waiting for a few minutes and turning it back on again.

- Ensure that you have the latest OS version installed on your device.
* Please check if the latest OS version is compatible with the app before proceeding with the update.

- [iOS] Playing for a long period of time on iPhone4s, iPad2, and iPad mini models with a memory of 512MB may cause the device to become unstable, leading to crashes.

If you are still experiencing difficulties, please delete the app and re-install it.
* Please note that this will also delete any save data on the app.