I don't have any more time for side projects, but lots of students in one of my HCI classes have built software to do stuff like this in a relatively short time

I don't have any more time for side projects, but lots of students in one of my HCI classes have built software to do stuff like this in a relatively short timespan (~4 weeks): http://www.youtube.com/watch?v=5s5EvhHy7eQ http://www.youtube.com/watch?v=5s5EvhHy7eQ