Hi,
How can i Synchro contact Gmail wave 3 without any details of contacts from Gmail being saved in the phone memory but only fetched from Gmail and used when needed.
This is to avoid mixing personal and business contacts.
Hello Halan,
 The best thing is that you don't have to do anything. I myself own Android Smartphone with Gmail APP installed in it. It may sound funny, but you don't have to do anything about this issue. Gmail will still synchronize, but you won't see Gmail's contacts in your phone contact list.
Another matter is if you want your Gmail contact list to be shown in your Smartphone.If you want your Gmail contacts to be shown in your phone, tick those options as shown in my image:
 
You can find it in Address Book/Contact List.
