Drive Car on Crazy Road

Show your skills, control two cars on a road full of holes. Cars go faster and faster, you must also be faster to continue. You must act fast to pass the holes on this crazy road.
You can try it with one car, two cars on same direction, and two cars on reverse directions.
When you drive one car you should tap to the direction you want to go, when you drive two cars you should tap on sides you want the control.