Developed the AsiaToon Manga Extension for the keiyoushi/extensions-source repository, focusing on enhanced browsing and information retrieval for manga content. Utilized Kotlin and Android development skills to implement new filters, refine parsing logic, and support both popular and latest manga requests. Improved data accuracy and resilience by refactoring selectors and stabilizing build configurations, while also reducing dependencies through targeted cleanup. Integrated a CookieInterceptor to ensure stable session handling and performed UI enhancements for a cleaner user experience. Applied web scraping techniques to boost content discoverability and maintainability, resulting in a more robust extension with reduced maintenance overhead and improved usability.