Borderlands 2 Vita limited to two-player online multiplayer - GameSpot

Sony says the framerate runs "in the vicinity of 30 frames per second."
Borderlands 2 continues in its predecessors footsteps with four new characters, tons of new quests, and lots of shooting and looting.

Co-Optimus - Borderlands 2 (PlayStation Vita) Co-Op Information

Why was the PSP such a success and the PS Vita such a failure? - Quora

Tribute Games is bringing Mercenary Kings (and more) to the Vita

PS Vita could be the first post-retail system

Battlefield 1 NEWS, streams.

Gaming Couch Potato: 2013

PlayStation, Ultimate Pop Culture Wiki

Borderlands 2 VR Dev Explains Why the Game Ditched Co-Op

Borderlands 2 - Wikipedia

Borderlands 2 - PS Vita, PS Vita

Indie Game News Grab It – The Game Discovery App - ChrisStead