A free program for Android, by SayGames Ltd.
Car Master 3D: the ultimate mechanic game is all about cars. The more you fix and tune-up, the more money you can earn. And with each new job, you can unlock new vehicles and customize them. It’s a full-scale car repair game with tons of vehicles, from the classics to the latest models.
The mechanics of the game are easy to understand and play, and there is no need to get any technical knowledge. In fact, even the younger ones can easily grasp the game and enjoy it.
There are several mechanics to understand. First, you need to fix the car. You can do that by taking out the damaged parts, putting in new ones, and then tuning up the whole vehicle.