assets\1_Do.png
......\1_Do.wav
......\2_Re.png
......\2_Re.wav
......\3_Mi.png
......\3_Mi.wav
......\4_Fa.png
......\4_Fa.wav
......\5_So.png
......\5_So.wav
......\6_La.png
......\6_La.wav
......\7_Si.png
......\7_Si.wav
......\thepiano.png
src\appinventor\ai_jiangsir\ThePiano\Screen1.blk
...\...........\...........\........\Screen1.scm
youngandroidproject\project.properties