Company Nautica SIA created these great apps:
Sailing Quiz HD, Boating Quiz, Яхтенный квиз HD, Kapteiņu tests HD, Яхтенный квиз, Kapteiņu tests, Segelprüfung, Test de navegación, Test de capitaine, Test di velista, Quiza de iate, Sailing School, Яxтенная школа, Seglarskola, Segelschule, and others..
