It is an app that transmits a signal through Bluetooth to a mobile robot device using a micro:bit, and transmits a predetermined signal by pressing a button.
There are a total of 11 buttons, and the function of each button is as follows.

1. Robot Search : Searches for microbit devices and displays a list.
2. Stop Search: Stops the search in progress.
3. Connect: Connect to the device selected from the list.
4. Disconnect: Disconnects the connected device.
5. Forward: Moves the robot forward.
6. Turn Left: Move the robot to the left.
7. Turn Right: Moves the robot to the right.
8. Backward: Moves the robot backwards.
9. Button 1 : This is a button to give a separate function.
10. Button 2 : This is a button to give a separate function.
11. Button 3 : This is a button to give a separate function.