Worked on the AnkiDroid codebase, focusing on enhancing code quality and maintainability rather than delivering user-facing features or bug fixes. The primary contribution involved refactoring core Kotlin code to adopt idiomatic Kotlin practices, particularly by replacing non-idiomatic string manipulation with standardized Kotlin functions. This approach improved readability and consistency throughout the repository, making future development and onboarding more efficient. Leveraging skills in Android development, code refactoring, and Kotlin, the work targeted internal code health within ankidroid/Anki-Android, reducing the risk of defects and supporting more reliable releases by aligning the codebase with modern Kotlin standards.