GTR Car Sound

When you are driving, this APP dynamic simulates Nissan GTR race car sound  
 1.Connect Bluetooth to the audio system;
 2.Click Start button;
 3.Place the phone anywhere in the car, alignment to the driving derection is much better, and don't move it.
All done, enjoy car sound and driving.

This App depends on the motion sensor like gyro and GPS, has NO requirement for any OBD or other hardware devices. Install App and Play.