Włoski - Ucz się języka is a free mobile application available on Android developed by Tweeba. It is an Italian language learning app that offers a comprehensive curriculum for beginners and professionals. The app allows users to explore the Italian language on their smartphones and tablets, covering areas such as words and phrases, grammar, tests, and Italian dictionaries. The app also features two widgets, including the word of the day in Italian and an Italian dictionary. The phrases are categorized in classes and tests to make learning progressively easier. The app works both online and offline. The voice data files, which are provided by an Italian teacher, are best installed using wifi. Overall, it is an excellent app for anyone looking to learn Italian and improve their language skills.