http://play.google.com/store/apps/details?id=com.carfax.cvhr&hl=en - It's important that you trust the dealer you buy used cars from. You need to be sure you will buy from a company that has a good reputation and has been around a long time. Before you purchase a Carfax vehicle history report or email inquiries you have about the company, learn more about them at websites like carfax.com. This way, you can ensure you purchased a quality car.