This guide is meant to disband the notion of building trendy one hit wonders in exchange for a model that will produce a revenue producing long tail hit.
Today's app stores are over-saturated with hype games and trendy (albeit rare) success, however the bulk of revenue being produced on App Stores are from games that innovate in the long tail and use models for building monetized games.
The Long tail offers significant demand volumes for you to meet a consumer need without being bloated by ungodly competition in effect increasing your market share and maximizing your revenue.