This app can be used in projects where Bluetooth 2.0 communication is being used. for example we can use this app to communicate with Arduino modules like HC-05 or HC-06 . This app can also communicate with ESP32 and Raspberry Pi boards. This app allows you to make as many as you like your own custom GUI, You can change color, text , size and position of control modules on screen. Currently It does not work with BLE devices.