Jouko Tiilikainen delivered Finnish localization for both the elementary/appcenter and FreeTubeApp/FreeTube repositories, focusing on expanding accessibility for Finnish-speaking users. He translated and updated UI text and localization files, achieving 92.4% coverage in AppCenter and full coverage in FreeTube, where he collaborated via Weblate and Git. His work included synchronizing PO and YAML files, establishing translation workflows, and ensuring traceability through commit referencing. By integrating internationalization and translation tooling, Jouko enabled ongoing contributor updates and simplified future maintenance. The depth of his contributions lies in thorough language coverage and the establishment of sustainable localization processes for both projects.