First of all i want to say that i like the new Avast mobile backup!
But i have a question, i want to add the mobile phones of my mother & girlfriend to my avast account.
And then let the pictures upload to there own google account.
Now when i install avast mobile backup and fill in my own avast account the pictures auto upload to my google account.
The installation on my own phone it ask what google account i want to use, is this possible to Always ask when installed?
I’m not sure but I think the Google account linked on avast! Backup should be unique.
Ok tnx for the reply, would be nice if it is possible.
For auto photo backup better use a Dropbox account on each phone, everyone has its own cloud library and can share it if necessary.
The syncing operation is covered via Google Drive API, so BackUp should ask you, which account you want to use.
Ha, now I see your point - so the backup will sync only with google account, which is used for connection to avast! account (my.avast.com).
That is what i mean yes 
Yes , so would be nice if you can choose from the google accounts on the Phone where its installed.