The Playstation Vita allows you to play a limited amount of PS1 classics from the Playstation Network Store. Fortunately, a guy named Ryan from FistFullofPotions.com figured how to play pretty much any PS1 and PSP game on the PSN store with your PS Vita.

To do this ” Vita hack” you will need the following:
Playstation Vita with System Software v 1.80
Playstation 3

To get all the steps and deets watch this very nice youtube video…

Here is a list of games they’ve tested and worked:

And a short list of games that do not work (yet):

So there you have it. Although, I’m not sure if its worth owning a Vita if I can’t play R-Type Delta… (Just kidding).

You can follow the progress of compatibility testing by the community on NEOGAF.