Hello - KeHo Software Achim Kern has published first chapter of building a smarthome system on your own. On the Webpage http://www.keho-software.com/smarthome.html you can already see what is possible up to now.

On page http://www.keho-software.com/arduino_kurs_1.html you can learn how to build the gateway and steer 3 Led's with a Hollywood 6.0 applet running on your morphos system and computer.