You can see in the video that the Arduino has a Ethernet shield connected to the router. He is just using tcp or udp to send the data from the arduino to iViewer. The arduino code is very simple, you can find several tutorials in the internet of how to send udp or tcp messages using Arduino.
The CF side is very simple too, you just need to create the system and process the feedback. If you don´t know how to do it, sorry, but you need to learn at least the basic to work with CF. Take sometime and get some projects here
https://github.com/CommandFusion , there are several and good examples of how to work with CF.
The guys here can give you several others tips and links.
Trust me, learn CF will worth your time.
Best Regards