Use your physical keyboard for Android when you are at your PC
The purpose of Wifi Keyboard app is to make it easier to enter text to your Android device when you are already in front of a physical keyboard, so you do not have to use the small on-screen keyboard on your device. It is great for example to send short text messages from your phone, but using your desktop PC for input.
More details at: http://smalltownboys.eu/wifi-keyboard/