The following links are the projects that I like.

https://www.youtube.com/watch?v=n6ypGlTCbKk&feature=player_embedded

https://www.youtube.com/watch?v=-H6MtevUjBg&feature=player_embedded

https://www.youtube.com/watch?feature=player_embedded&v=fPiQ-Rtcp9k

All of these projects are controlled by android phone, and the first two projects are using IOIO, and the last one is using arduino. I chose these projects, because I am interesting in remote controll system.