The document discusses various methods for app discovery and promotion. It outlines incentivized ads (PPI/PPE), unincentivized ads (CPC/CPM), cross promotion through in-app ads and social media, promo codes, market SEO (search engine optimization), user reviews/ratings, listing on review sites, offering discounts, and using social media. The overall strategy involves a combination of paid, owned, and earned media through these different channels to drive downloads and engagement in a cost-effective manner.