NXT Remote Control is a free Android application developed by Jacek Fedorynski that allows you to control your Lego Mindstorms NXT robot directly from your phone via Bluetooth. This app is perfect for those who want to control their robot with ease and flexibility. You can connect the wheel motors to outputs B and C and the action motor to output A. The app offers several control schemes that you can switch from the menu, making it easy for you to find the best one for your needs.

Overall, NXT Remote Control is a great app for controlling your Lego Mindstorms robot, and it is highly recommended for those who are looking for a reliable and flexible way to control their robot.