With realistic physics, an improved touch-based racing mechanic, 32 different gorgeous 3D tracks, 16 different cars, hot-seat multiplayer, Friend Challenges, and much more, DrawRace 2: Racing Evolved is the most unique racing experience on mobile platforms today.

Chillingo has announced the release of the hotly anticipated line drawing, arcade-racer DrawRace 2, the latest iOS title from RedLynx. Available to download now, DrawRace 2 is compatible with all iOS devices.
Pocket Gamer - It’s always interesting to see how developers approach the touchscreen when it comes to established genres.
Initially, everyone presumed that the virtual D-pad and buttons configuration would be the best way of recreating the home console experience, but this has rarely proven the ideal way of controlling iPhone games.
... too bad it's touch-based and for tablets, instead of for XBLA/PSN with traditional controller. I love the top-down racing genre.