MagicSolver is a user acquisition specialist that promotes mobile apps through its network of over 6 million iOS and Android users in 100 countries. It offers customized promotional packages to app developers, ensuring high user engagement and download rates. MagicSolver has successfully promoted over 100 developer partners, supplying over 50 million clicks and 20 million downloads. Their flagship app Free App Magic promotes 3 free apps daily and has saved users $3 million in the last 3 months. The document provides an example of their highly successful Christmas 2010 promotion of the Videojug iPhone app, which went from unranked to number 2 overall in the UK in 48 hours.