How to program the five IR buttons on the MX3 air mouse

In this tutorial I will show you how I've programmed my power button for my Android TV remote and the power button for my TV remote on to the MX3 remote. You could do this with other keys or other functions of the remote. It does not have to be power. It could be volume or Channel changing options play around and I hope you have fun with this. The instructions that came with the device or not that clear