This document provides information and analysis for the development of a mobile game app and related merchandise. It discusses design elements of successful apps like Angry Birds and logos for social media sites. Market research is presented on costs and potential profits for producing game-related t-shirts and iPhone cases. Two ideas for apparel are proposed: a simple t-shirt and a more detailed iPhone case. Based on feedback, the author chooses to pursue an iPhone case design featuring game characters. Steps for further improving and testing the case design are outlined.