We support only one saved game per account. To prevent this special game from somehow getting lost, please make sure it’s saved! To use another account on the same devices, you must logout first from Apple Game Center or Google Play Games Services and then login again using another account.
To save game progress, please make sure you must:
iOS: Login into the game using Game Center
Android: Login into the game using Google Play Games Services
Important: Playing without the necessary login may lead to permanent loss of progress. This may occur: if you start using another device, reinstall the game or factory reset.