Instructions
Press the center orange button on the Mindstorm robot's NXT brick, to turn it on.
Press, tap or click on the NXT remote control application icon on your computer or mobile device, to launch it. The application will automatically detect the NXT brick via Bluetooth.
Press, tap or click the "Menu" button in the application window to the "Remote" then press "OK." This will open the list of NXT bricks that are available to control with the application. Some application will open the list automatically at launch.
Press, tap or click the name of the NXT brick that you wish to control remotely, then press "OK" to open the remote control panel. The remote control panel of each application type will vary, but each will open a display of available controls for the robot.