For any of you who own iPhones, there’s a game app called Trainyard Express which has become a smash overnight hit. It’s a puzzle game that involves the switching of color-coded trains onto the appropriate track. Thought not prototypical at all, it’s great to see the masses enjoy trains in some respect.
Here’s a story of how the game became such a big hit among iPhone users:
http://www.gizmodo.com.au/2010/10/the-trainyard-story-or-how-to-make-a-smash-hit-iphone-app/