Air Keyboard, developed by SkyGears, is a free utility tool available for Android devices that enables you to use your phone or tablet as a wireless keyboard and touchpad for your PC, Mac, or Android. With this app, you can easily control your desktop from any WiFi-connected part of an area, play games in a comfortable position, and control your PC, Mac, or Android-based home cinema distantly while resting on your sofa.

To use Air Keyboard, you need to install a server-side program on your computer, which can be downloaded for free from the developer's website. Before using the app, it is recommended to read the FAQ section on the website to get familiar with the app's functionalities and settings.