While some like the Financial Times have bypassed app stores by creating HTML5 “web apps,” the vast majority of Android and iOS developers have to think about how to market their listings within app stores. Marketing within app marketplaces is still a black box. Most marketplaces (like Apple’s, for instance) provide no analytics or feedback. But by using the little information you do get, and comparing results across various marketplaces, an app developer can start to get an idea of the marketing tactics that work. These tips can help drive traffic, and hopefully sales, to your listing.