expired (Android) $0 - Learn Basic Chinese in 20 Days | Dino Teacher | Bonka | Monkey Go Happy @ Google Play
A couple of good apps for kids to play and learn. The Dino Teacher one also teaches Spanish which is very handy.
Both apps - no ads/IAP.
Dino Teacher - was $4.49, rated 4.2
Bonka - was $1.29, rated 4.0.
And for the adults!
Monkey Go Happy - was $1.09, rated 4.6.
Learn basic Chinese in 20 days offline - was $2.39, rated 4.4.