you can use it by download it ,and open in androidstudio.if you use this project you should have a SDK named NDK and CMAKE in you androidstuido.good luck!!!

a cute icon society pig

in this view wen can click the button in the center of view to predict the number.At the bottom of the view you can click the left one to go to sigvew to wirte number

in this view you can write something you like ,and use the save to save it in your photo draw album,and use remove to delete something you write in your view

in this view ,you can chose a number which is in the mnist dataset to make surr that you app can predict number by itself.