You can easily add your Google account to an Android device, giving you access to email, contacts, and calendars from wherever you are.
Note that accessing your account will use your device's data connection, so if using a personally-owned device, you may be subject to data charges from your cellular services carrier.
Press SETTINGS and then ACCOUNTS.
Press ADD ACCOUNT, and then select GOOGLE.
Follow the onscreen steps to add your Google account.
The account has now been added to your device and can be accessed via the Mail, Contacts, and Calendar apps.