Make sure that you've downloaded the game from Google Play Store and App Store.
If you downloaded TDS from other sources, we cannot guarantee its normal performance.

Try to follow the steps if you encounter problems when downloading the game:
1. Check your device's storage capacity first. At times, you may need more than the required device storage.
2. Clear the cache in Google Play Store or App Store then free up some device memory by uninstalling unused Apps and/or removing videos and photos.
3. Update your device OS to the latest version.

In addition, kindly remind you to check the minimum system requirements to run the game with a stable game environment.

[Android]
Requires above AOS 4.4

[IOS]
iPhone: Requires iOS 10.0 or later
iPad: Requires iPadOS 10.0 or later
Mac: Requires macOS 11.0 or later and a Mac with Apple M1 chip.