AS a virtual controller ,this app can control the car after you connect the device to the audio jack of iPhone/iPad/iTouch .
there are three parts in the Application.
1.Click on the small icon into the main program , the first part of interface is Touch Sensor; click Touch Sensor to enter is operation model by hands; at the left of Touch Sensor interface ,which is forward and backward,push the slider bar to D is forward, push it to N or P is stopping.,push the silder bar to R is backward; at the right is "left / right turn operation".
the second part of interface called Gravity Sensor,which is used the mobilephone sensor to control the cars.
3.at the top left of Touch sensor or garvity sensor interface is menu . open the menu, at the beginning of the three ones are autoplay ,which are called auto twirling in a circle, auto going by a zigzag course, auto parking car . the fourth is speeds setting for controlling car .the Fifth is returning to the interface