My New Android Project - Play And Learn English for Beginner

I already have idea , i make first step for it on this holiday . May one month next i'll public this app.
some function of this app :
#1: Study subjects vocabulary through  picture , sound , especially good for beginner or for kid.
#2: Play game for practice what you learn , play game for practice and get coins to unlock new lesson
#3: Good at design , Using material design.
#4:...
#5:..
download from GOOGLE PLAY

....update later