A PS Vita version of Borderlands 2 -developed by Iron Galaxy in collaboration with Gearbox- was confirmed for release in 2014, but a release date was never given -at least in an official way-.

According to Amazon UK, Borderlands 2 for PlayStation Vita will be released  on May 27.

 borderlands 2 vita 600x233 Rumor: Borderlands 2 for PS Vita coming May 27th | VGLeaks 2.0

borderlands 2 vita 2 600x666 Rumor: Borderlands 2 for PS Vita coming May 27th | VGLeaks 2.0

Obviously, this could be just a place holder. Stay tuned.

Source | Gamerspective