Khmer Physical Keyboard is a utility application designed for Android devices, enabling users to type in Khmer Unicode using an external or hardware keyboard. This free tool is particularly compatible with smartphones running Android version 4.2 and above, with optimal performance on Samsung devices from Android 5.0 onwards. The app allows users to seamlessly switch between keyboard layouts, making it easier to communicate in Khmer without the need for on-screen input.

Setting up the Khmer Physical Keyboard is straightforward. Users simply connect their external keyboard via a mini-USB cable, access the Language and Input settings, and enable the Khmer Unicode layout. By pressing Ctrl + Space, users can quickly toggle between different language layouts. This application is ideal for anyone looking to enhance their typing experience in Khmer on their Android devices.