"Coding Car" Zerone exclusive app In order to use this app, we need "Coding Car" Zerone. To use this app, you need a "Coding Car" ZERONE. Button key controller If you press the direction key, the coding car moves in that direction. You can control the speed however you want. If you press the turbo button, the coding car runs at full speed. Trackball Controller If you move the trackball in the middle, the coding car moves along the trackball. The more you move the trackball, the faster the coding car moves. Use the trackball to control the coding car freely. Acceleration sensor controller Press the screen on your smartphone and move it. The more you tilt, the faster the coding car moves. You can control the coding car freely by tilting your smartphone. Enjoy your Coding Car!