This game is amazing, although I do have a couple problems.
At some times it's difficult to move around and aim, and in pursuits I sometime hit the suspect but no damage is done. However, this is the best police simulator I've seen for iOS.
Some things I'd like to see, I'll list them.
1. Unmarked vehicles or police lights on non-police vehicles.
2. Multiplayer, and private servers.
3. A paint shop where you can import decals onto your cars to make your own paint schemes for the cars.
4. A bigger map. I feel the map is way too small for a police simulator. I think there should be a highway and smaller roads and forests and other cities as well.
5. Different paintjobs for the same vehicles.
6. Longer police chases, no time limit unless you can't find them in 1 minute.
7. I think the graphics and lighting could be improved.
8. You should be able to initiate traffic stops just like you can aim at a car and they will stop so you can search, but they will pull over if you turn on your siren when behind them.
9. A more realistic siren sound.
10. No gas limit. It's very annoying.
I love this game, and I understand if the game gets too laggy to add some of these features but please consider adding in some of them! :D