Progress on Android devices is saved by connecting to your Google Play account.
To create a new profile, follow these steps:
Open the Play Games app > Settings > Select an account for games.
In this section, you can see which Google Play account is set up to log into the game.
Tap the “Change” button and select a different Google Play account. This will give you a new profile in the game.
Important: Only one game profile can be linked to a single Google Play account.