As promised here are all the video games announced and teased during this mornings "Playstation Vita Game Heaven". Most of them are targeted for the Japanese audience but that was to be expected as it was a Japanese show.
Dokuro (at 2:20)
Keiji Inafune Game in the works
(no actual gameplay)
Legend of Heroes: Zero no Kiseki Evolution
(gameplay and behind the scenes)
Metal Gears Solid HD Collection
(June 28th for Japan)
Mobile Suit Gundam: Seed Battle Destiny
(June 7th for Japan)
Persona 4: The Golden
Phantasy Star Online 2
(Shares servers with PC allowing for platform switch on the go)
Super Robot Wars
Surge Concerto: Ciel no Surge
Not much for the U.S. and E.U. but I am sure we'll get a similar event.