https://drive.google.com/file/d/1tIN4z4b0ExLWpEvPl0Q8mgzbryM2nQT3/view?usp=sharing

tai ve roi cai duong dan sau
https://www.youtube.com/watch?v=oCE1VZ2LJqk&index=14&list=PL3CDwa_M1BZzWQL0-YowcynwIrcVckMtv

de xem cach lam va lam theo

copy duong dan
file:///mnt/sdcard/AppInventor/assets/.html