Finally!
To get started, you must first enable IMAP in your Gmail settings.
To enable IMAP in your Gmail account:
Log in to your Gmail account.
Click Settings at the top of any Gmail page.
Click Forwarding and POP/IMAP.
Select Enable IMAP.
Configure your IMAP client* and click Save Changes.
iPhone setup instructions:
Step by step instructions
Update: Some additional setup [...]
