I was sick of searching for, loading and navigating through the Kore remote control app and using the fiddly volume buttons. This app has big fat buttons, and only does one thing. Perhaps you will find it as useful as I have.
This app will work sub-optimally if you do not, in fact, possess an xbmc media player.
Annoying sounds are now possible - get a signal when the message is sent, and confirmation when the message has been received.