MODELCO
This app can control the helicopter or RC car after you connect the helicopter or RC car tranitter to the audio jack of Android. For Helicopter control, this application has 5 parts: 1. On the left screen: This is helicopter's throttle, it can fly the helicopter in the air by move forward and land the helicopter when you move backward of it. 2. On the right screen: This function can control helicopter's direction, you just need to move it to up, down, left or right. 3. On the center of the bottom screen: You can use this trimmer to adjust the helicopter to left or right when the helicopter is keep rotating in the air. 4. On the center of the screen: Press "On" to start the controller; press "off" to turn off the controller. 5. On the upper right corner: You may turn on/off the g-sensor to control your helicopter.For RC car control, this application has 4 parts: 1. On the left screen: This is car's throttle, it can move forward and backward when you move it. 2. On the right screen: This function can turn right or turn left, you just need to move it to right or left. 3. On the center of the screen: Press "On" to start the controller; press "off" to turn off the controller. 4. Press the "MODEMOTION" : You may turn on/off the g-sensor to control your car.