Not really a surprise, but MCV reports that Sony's Vita can now play PS3 games. That is, the game is launched on the PS3, is streamed to the PSV where the player controls the action on the small screen with the rear touch panel working as the missing shoulder buttons from the PS3.
It works rather like the Wii U, or the cloud gaming services like GaiKai and can run over WiFi or an Internet connection. The tech is still under development so should be as smooth as anything when finally ready for prime time, when we can play two player games without split-screen nastiness.
And here's the video to prove it: