Google account manager for Oreo . Google account manager gives you quick access to settings and tools for managing your Google experience on products like Search and Maps.
You can manage some setting in gmail With Account Manager.
– by signing in to one of the supported applications
– by navigating to your Android device’s [Settings] > [Accounts] menu, and then selecting [Add an Account].
After you have linked your account, you can sign in to any supported application without having to type in your account information again.