Sad to hear, you didn't consider modding your vita to allow you use of 3rd part apps, you would have had to keep it on version 3.60 like I did with mine, now with full mame support it has turned the vita from one of the best handhelds to easily the best emulation machine in a portable capacity.
Why not check me out on youtube and help me on the way to 2k subs over at www.youtube.com/stormcloudlive