Philip developed Non-touch Accessibility Enhancements for BookMap and PageBrowser in the koreader/koreader repository, focusing on improving usability for non-touch devices. He refined focus management and input handling logic, ensuring reliable navigation across various input methods. By addressing device compatibility and accessibility, Philip broadened the application’s reach to users relying on keyboards or other non-touch interfaces. His work involved JavaScript and Lua, leveraging skills in UI and widget development to reduce usability friction and support higher user retention. The feature was merged and prepared for broader testing, reflecting a thoughtful approach to cross-device accessibility within a complex codebase.