During the AT&T Developer Summit, among a list of already confirmed games for the PlayStation Vita is the listed game Metal Gear Solid: Rising.
The following partner list was shown at AT&T's summit earlier this year:
The fellows at Shacknews.com tried contacting Konami about this listing, but Konami responded with, "We can't comment on anything related to SCEA's presentation." That response could be an easy way to, as we say, "plead the fifth," but it looks to be that this new twist on the Metal Gear franchise could be coming to Sony's new handheld.
We'll keep you posted as more news arises.