2- iKids Puzzle
3- KidMath
KidMath helps your kids learn basics of Math from counting and sequence to the concept of addition and subtraction. It includes animations and cute voices to make it fun for kids while learning.
4- Simon Says Games
5- 123 Color HD
This is one of the most popular educational app in the United States. It offers freestyle finger painting, voice-overs of 30 spoken colors in four languages, stickers and fingers painting on your own photos.
6- Teach Me
7- Flashcards Deluxe
This is an easy to use, yet powerful flashcard app which you can use to study just about anything you want.