Pencil - an android app for kids

Kids like to write letters on the phone using their finger.
They are also enjoy listening their voice from machine.
The kids learning letters can study and enjoy at the same time.

[feature]

select letter : alphabet(capital) / alphabet(small) / numbers / korean
writing : watching the order of letters writing first.
               writing by finger(color and size can be changed by user)
               listening native pronunciation, recording user's
               Praise stamp will come out after writing
watching : watching the order of letters, listening pronunciation
               changing the playing speed(fast/normal/slow)
playing : searching for the pronunciation listening
               setting order ( sequential / random )