Click on your SETTINGS icon on Your I-Phone.
Scroll down and tap the "Mail Contacts and Calendars" section.
Tap the "Add Account..." Section
Tap the GMAIL logo
Type in your name. Your E-Mail address, (e.g. John@gmavt.net), and your password
If everything is entered correctly, you will see checkboxes affirming that all your information is correct.
You'll now see your new GMA webmail all ready to go!
The creator of this guide has not included tools