A Gideros developer designs and develops mobile applications using the Gideros Mobile Development Environment. They write, test, debug, and optimize code in Lua programming language. The developer takes advantage of Gideros's rapid development and testing features to create high-performance, real-time graphics and animations. They also ensure cross-platform compatibility for iOS, Android, Windows Phone, and other platforms. Additionally, they use Gideros's built-in tools for texture management, scene management, and networking. They may also integrate third-party services such as ads, analytics, and social media. Ultimately, a Gideros developer creates engaging, responsive, and efficient mobile applications.