A free program for Android, by Busuu.

This app is a tool for learning French, made by the team behind the Busuu app.

With vocabulary and grammar lessons, audio dialogues, language games, and interactive assessments, you can learn the fundamentals of French. Submit practice exercises so that native speakers can assist you in honing your abilities.

Learn the most significant 3000 words and 150 themes with targeted language instruction. Use entertaining quizzes and word games to test your knowledge and gauge your level of understanding!

How does it work?

The app is based on the idea of spaced repetition. This is a very popular method for learning new vocabulary and grammar.