They are still in the beta testing phase of the streaming service. When that becomes available to the masses it will presumably have all the PS titles for any system able to run it.
Oh, so it wasn't scrapped? Yay!
PlayStation Now. You pay a rental fee per game and it's time based. If it were a monthly subscription model I'd be all over it.
Dang. Well, if it actually does have every PlayStation title ever, I'm still in!