A part-time Android developer has responsibilities that focus on designing and creating new applications and software for the Android operating system on a schedule of fewer than 35 hours each week. Your duties are to devise new applications, write the code for them, test them for errors and other bugs, and create updates for applications to keep them fresh and functional. Part-time Android developers collaborate with other people on the development team to carry out the development process from ideation to completion. You must understand the differences between various frameworks to decide which one to use for each application.