Roosa H. contributed to the osmandapp/OsmAnd repository by updating Finnish language translations, focusing on enhancing localization coverage through the Weblate platform. She worked with XML to translate and synchronize 4034 out of 5634 strings, raising Finnish localization to 71.6 percent. Her approach integrated Weblate’s workflow with Git-based traceability, streamlining the translation process and reducing manual effort. This update aligned with the project’s localization roadmap, improving the Finnish user experience and laying groundwork for future internationalization. Roosa’s work demonstrated proficiency in localization pipelines, cross-functional collaboration with translation teams, and effective use of Weblate and XML for scalable language support.