・Restart the app ・Turn off your device
・Delete unnecessary data such as images and videos
・Close other running tasks
・Set graphics quality to [Low] via the in-game Menu > [Setting]
If the issue occurs only at certain point or place, the data might be corrupt.
You can re-download necessary data by pressing [Clear Cache] button in the Menu [Support].
Please try after reading all of the cautions.
■Cautions for Clear Cache
・If you [Clear Cache], the state of the app will be back to when it was installed.
→Rainbow Coins and game data will not disappear. Please be assured.
・If there are not enough memory space on the device, [Clear Cache] might not complete. Please be aware.
・[Clear Cache] will re-download lacking data.
→Depending on the condition, connection might lag from the amount of information. Please perform when you have time.
※The game cannot be played until the download is complete.