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Thank you so much @dpepper73 Here are the troubleshooting steps for both devices. Please note that this might not change your situation with hints for sure. The last resort is always reinstalling the game but if you do so you will lose all your boosters as they are saved on the device's memory.
https://community.king.com/en/blog/discussion/246638/is-your-game-crashing-on-an-ios-device
https://www.amazon.com/gp/help/customer/display.html?nodeId=201734230