This document provides statistics on mobile app categories and recommendations for app marketing. It shows that Games are the top active mobile app category, making up 16.9% of all active apps. The document recommends optimizing an app's name as one of the most important marketing tactics, as app stores allow changing the name and other details when releasing updates. It also suggests marketing by developing multiple similar apps around the same framework, as done successfully by companies like Pocket Gems. World event-related apps and cross-promoting between apps are identified as other tactics that can help with app marketing.