I hope they make more for the psp.
You can do missions for your buissnesses, or just get into a cop car or ambulance truck and you can do those missions. There is also a bunch of missions like when you get into a bus, you need to run over everything to get enough points to pass the mission. There are missions everywhere!!!
Before I bought this game people told me the analog was too sensitive. Ignore them. It is a little but you get used to it really quickly and it's not a problem.
The graphics are alright. The sound is great. You can change the radio station in cars and the explosion sound effects are good. The story is awsome, and the characters are cool. The missions are usually pretty easy. Some are hard but only a few.
The only thing I didnt like was the glitches. If I'm playing I might walk through a wall or fall through the ground, give it a couple of seconds and it will go back to normal. It's annoying though. If you get this game you will be killing and blowing things up for hours and hours.