La guida la trovate qui:
http://www.google.com/support/mobile/bin/answer.py?answer=98230&topic=15015
Select 'Synchronization > Settings' from the 'Options' menu. This will open the Sync application.
From the Options menu select 'New sync profile'
Choose any name you like for 'Sync profile name'
Select and click 'Applications'
Note: You will see a list of all content types that your phone can synchronize; however, currently Google Sync only supports Contacts.
Select and click '...