I have 3 year old daughter and from various sources I collected this paid or modded apps and games. They are carefully selected, tested and very educative. Please seed for other kids! 

Sago Mini babies 
Color & Draw for kids 
Daniel Tigers Neighborhood 
Fancy Dogs 
Funny Baby Game 
Games for Kids Bundle 13 in 1 
Kids Are Learning Premium 
Kids Connect the Dots 
Kids Preschool Puzzles 
LetterSchool 
Sago Mini Music Box 
My Virtual Dog - Pup & Puppies 
Paper Tales 
The fabulous Animal Playground 
Rise n Shine - Balloon Animals 
Sago Mini Planes 
Save the Puppies Premium 
The three Billy Goats Gruff 
Writing Wizard Premium Letters