There's no need to install software on your computer or other devices, and no internet connection is required, as there is no server involved.
Simply connect to your computer via Bluetooth and your Android device can be used as a mouse and keyboard.
Mouse Functions
Single-point drag: Move the mouse cursor
Single-point tap: Left-click the mouse
Double-point drag: Scroll the mouse
Double-point tap: Right-click the mouse
Keyboard Functions
Although there is no Fn key, most other keys are available.
The Shift key can be pressed and held down.