1. From the main screen, select the Apps button.2. Select Settings.3. Select Cloud and Accounts from the options available.4. From the Cloud and Accounts settings screen, click on Accounts.5. Click on Add Account from the bottom of your screen.6. Select Google to add your ATS Gmail account.7. Select Sign in when prompted for your ATS Gmail Account.8. Enter your full ATS Gmail address as your username, and then enter your password.
That's it! You can now use your ATS Gmail account from your Android. Just launch Gmail, Google Calendar, or whichever app you want to use from your device's home or applications screen.