The document presents multiple case studies detailing the marketing strategies implemented by Comboapp for various mobile applications launched by different clients between 2013 and 2013. Key highlights include the challenges each client faced, the solutions provided, and the successes achieved, such as achieving top rankings in app store categories across entertainment, social networking, and gaming apps. Notable successes include apps like Haloo, iRobbery, and Gigi achieving significant visibility and user engagement shortly after their releases.