You can add multiple Google accounts on your Android device. However, it considers the first account you sign in with as the default and uses it to sign you in across various Google apps and services.

Chrome browser will soon let you access your saved passwords, bookmarks, and more across devices with a new simplified signing-in process. The Chrome Sync feature is being replaced on Android devices ...

After introducing on iOS last year, Chrome for Android and desktop will soon replace the “Chrome Sync” system with a more standard Google Account sign in approach. Similar to how other first-party ...

This shouldn't be so difficult ...