Forum user Project-79 noticed that Astraware’s GTS World Racing is now available [App Store]. We posted a brief overview just earlier today. The game will offers 16 locations, 64 different track layouts and 3 different car types to chose from. The tilt-controlled racer also offers four different play modes and four difficulty levels. The product page details the different play modes.
We'll provide a full review shortly. The game is priced at $7.99 and takes up 9.6MB.