The Remote Desktop app just came out a few days ago on the Vita and people are trying to fine tune it. It allows you to play games on your computer or PS3, through your vita. This seems like it could pretty huge for gaming in general. Being able to play the latest games anywhere with a handheld is awesome
I haven't downloaded it on my Vita yet. I just ordered my new computer and plan to try it out on my Vita when my computer comes in.
Here's arkham city