There is an iOS app out for the game. It is called iFruit. Link it with your R* Social Club account.
I made a 2+2 crew for PSN. You can already join on the Rockstar website.
http://rsg.ms/16xWD7e Msg me if you want a PSN buddy invite.
Waiting on midnight launch release central time. If you haven't preordered it, I bet Walmart or Best Buy will have plenty of copies.