The application should be basic and simple as you can.
1) Alphabet (with pics means A-Apple (here a apple pic also display)
3) Animals (picture with sound)
4) Knowledge (some basic know about animals, birds, tree etc)
5) There is also a notepad on which child can write on dotted Alphabets
I think its enough to understand the requirement,
please be sure whoever selected
1) The code should be clean with proper comments
2) Does not use any third party component/library
3) The code & images does not copy from any website/source.
All the best :)