App categories are Microsoft’s way of organizing applications so that users can more easily find what they are looking for. For Windows Phone 7, there are 41 categories and sub-categories to help organize applications for users. When you submit your app to Marketplace you can choose from one of the categories below to help users find your app. Apps can only be placed in one category.
- Books & Reference
- eReader
- Fiction
- Non-fiction
- Reference - Business
- Entertainment
- Finance
- Games
- Action & Adventure
- Board & Classic
- Card & Casino
- Family
- Music
- Puzzle & Trivia
- Shooter
- Sports & Racing
- Strategy
- Xbox Companion - Health & Fitness
- Diet & Nutrition
- Fitness
- Health - Lifestyle
- Community
- Food & Dining
- Out & About
- Shopping - Music & Video
- Navigation
- News & Weather
- Photo
- Productivity
- Social
- Sports
- Tools
- Travel
- City Guides
- Language
- Planning
- Travel Tools
(Obviously you can see which category is of the most interest to me…)