Visual Studio Express 2012 for Windows 8 joined the club of Desktop Apps in the store. Its big brother got mentioned during the Release Preview timeframe, now the Express version has joined the game. Microsoft wants non-professional developers to get in the game early I guess. Desktop Apps mention in the store are just an easy way to discover Desktop Apps, and there are a lot of them now in the Store. Check Visual Studio Express 2012 under the Tools section.