It's now official that Jak and Daxter Trilogy will get released on psvita and in June.
http://blog.eu.playstation.com/2013/04/19/jak-and-daxter-trilogy-coming-to-ps-vita-in-june-2013/
http://gamrconnect.vgchartz.com/thread.php?id=130023&page=1# Official Playstation Vita Thread! Come in and join!!!