As a mobile game developer, your job is to help program a game app for people to use on a phone, tablet, or another mobile game player. In this role, you may help set up the intended user experience, coordinate with content providers, and test the software to ensure that all aspects function as intended. Many of the duties and responsibilities of this job depend on the employer. For example, some mobile game developers perform almost all tasks, while others focus on specific parts of the software in order to help maximize content delivery speeds. Many people in this industry work out of offices, but it is possible to work as a remote mobile game developer, especially if you have a high-speed internet connection that can support large game file transfers.