Software Developed by Drew Hoffman
Urza's Assistant for MTG v.2.2.0.0
Keep track of your game with Urza’s Assistant. Follow Magic: The Gathering news, look up card errata and prices, ban lists, alterative play styles, and even store custom deck lists. This app is also great at tracking life in Standard,
BN.com v.1.1.0.0
Barnes & Noble is taking their time releasing a WP7 app, and I'm sick on Monday. So I wrote one myself. It's nothing special - don't expect nook support - but it does allow you to easily search their website,