Can you introduce a app to learn Japanese?

Can you introduce a good app to learn Japanese? I want to learn Japanese. But, I don't know what good app do I to learn Japanese?

Japanese dictionary

Easily learn Japanese phrases and words! Speak Japanese with confidence!

By using this "Learn Japanese" app, you can learn Japanese phrases and words from our native Japanese speaking parrot. The parrot works together with you to practice your speaking and listening skills. Learning Japanese can never be easier!