It's kind of a shame that we hadn't heard about this app before, because it is quite a bit of fun. Anyone who has played Grand Theft Auto knows that while the gameplay of stealing cars and beating people with baseball bats is awesome, the radio stations make the game experience so much better, and that's exactly what you get from GTA Radio.
The app will allow you to stream almost all of the radio stations that you would find in GTA III, GTA: Vice City, GTA: Liberty City Stories, GTA: Vice City Stories, GTA: San Andreas, and GTA: IV. This means that not only can you get some great old school mixes in the Vice City radio stations, but you also get the sweet hip-hop mixes of San Andreas, and of course the hilarious talk radio stations from all of the games.
There have been reported issues with performance of the app, and there is no option for high-quality streaming, but it is still well worth a look if you have been a fan of the modern GTA series. Just be sure that if you're listening in the car, you don't go into "game mode" and hop the curb to start running people over. The cops in real life are far harder to escape than the GTA cops.