Easy for first time learners to learn basic Good form setup
Its not free. You have to unlock all but the first three games and the games themselves are just not worth the time
Fun I have this (paid, full version,) app on my kindle. I liked it, my 2 kids often play it.
It's very easy
Easily learn Mandarin Chinese phrases and words! Speak Chinese with confidence!
Learn to speak Korean in minutes. The best offline phrasebook with audio guide.