As soon as you are on the profile that you activated Auto sign in, it will log in to the PlayStation Network automatically for you
Even though you can use your browser on the PS3 to visit the network after you are signed in on the PS3 you must still sign on to the different Playstation Network reached from your browser. So even on a PS3 you can and must sign in twice. It is not possible to sign on to 2 different PS3s and the system will log you out of the other PS3
Anything. It auto saves.
no
no
You can make the browser forget the password. This will stop Auto sign in on Gmail. Auto-sign in happens only if your password is stored in browser.
Yes if you can not sign in it is not a site wide problem. When you can not sign in your PS3 try the PSN network on your computer. The related link will get you there and if there are any site problems you will find a message
The first game from the GTA series produced for the PS3 was "grand theft auto IV" introducing the protagonist, Niko Bellic.
No. GTA San Andreas is a PS2 game, not a PS3.
Yes. All PS3 games are blu-ray.
no you can not
go sign up on your ps3 band
Yes, you can.