For our games, DLS 21 and Score! Match you will need to either sign into Facebook or "Sign in with Apple" (iOS 13.0 and above) to link your game profile so it can be backed up, restored and transferred to other devices. Save data is not stored on your Google account or iCloud account. In addition, if you want to transfer your progress across platforms i.e. Android to iOS or vice versa, this can only be done when your game profile is linked to Facebook specifically, not Sign in with Apple.
For our games, Score! Hero and Dream League Soccer, you can only use iCloud (if you are on iOS) or Google Play Saved Games (if you are on Android) to backup, restore and transfer your save data to other devices. Save data and in-app purchases cannot be transferred across platforms e.g. Android to iOS or vice versa and no other method of cloud saving is supported such as Facebook or Game Center.
For our game, 8 Ball Hero, you will need to link your game profile to Facebook in order to backup or transfer your save data to other devices.
DLS21 & Score! Match:
Score! Hero & Dream League Soccer (formally DLS19):