RHome - Android/Arduino home automation system

A lot of members on this forum probably know that I have a big interest in home automation and I've posted one project before. But I think I have finally made something really worth sharing.

My new system is based on Android (it uses an Android tablet as a main control device) and Arduino (used as a hardware controller). Here is a small presentational video:

And check out more at this projects website:

This projects is open source, so I welcome everyone with too much time on their hands to try it 8)
Comments, suggestions, ... ?