can anyone care to help this girl out on how to get ps vita games running on retrobat 6.2.0 please

I own 4 games for my vita and I don't know how to get my 4 games to show up on the retrobat or how to get it started and I also notice that new Guibat don't have no way to make a m3u even tho I always had an issue with it. I need your help so I can get the game running on my retrobat. this girl is total noob when come to these things.