Some versions of the 2.2.2 mod come with a "garage unlock" feature, allowing you to purchase legendary cars (like the retro F1 killer or the rocket truck) from day one.
Locate a trusted Android mod site to download the Grand Prix Story 2 2.2.2 MOD APK file. Enable Unknown Sources: Go to your Android Settings > Security Grand Prix Story 2 2.2.2 Apk Mod Android Free Download