They're just a bit of fun really... Tubemoji: A emoji-based Tube status app that's in desperate need of an update. Planet Dodger: A silly game where you have to stay out of the way of the planets that get chucked at you.
Departure Board
It uses a Raspberry Pi and a small touch screen and means I don't have to keep checking my phone in the morning.
I'll probably get around to selling a few of them one day