Car Speed Booster is an online HTML5 game at Friv, it's playable in browsers such as safari and chrome. You can play the game on smartphone and tablet (iPhone, iPad, Samsung, Android devices and Windows Phone). Car Speed Booster is a vertical runner game. Beware of other incoming cars and collect as many coins as you can. Drag the car to control. 62.12% of 567 players like the mobile game.