Operation Manual

Getting started with your tablet - 7
If you have multiple Google accounts, such as separate accounts for
personal and business contacts, you can access and synchonize
them from the Accounts settings section. See Multiple Google
accounts on page 36.
Important
You must sign in to a Google Account to use Gmail, Hangouts, Google
Calendar, and other Google Apps; to download applications from
Google Play; to back up your settings to Google servers; and to take
advantage of other Google services on your tablet.
If you want to restore existing settings from another device with
Android 2.0 (or later) installed, you must sign in to your Google account
during setup. If you wait until after setup is complete, your settings will
not be restored.