Reckless Racing 2 physics are fun, I especially like dirt racing. It has career progression, car upgrades, challenges, tons of tracks, street racing, dirt racing, drift even. 'This game is the perfect top-down mobile racing game. A great mix of off road and paved tracks too.' You can set how large you want each control as well as where you want them. Also, the control schemes are completely customizable.
Reckless Racing 2 User reviews from the Play Store: 'Smooth fun and the personalization is full of fun things.