modified:   app/src/main/AndroidManifest.xml
	modified:   app/src/main/java/com/example/xiangyi/sudoku1/Game.java
	renamed:    app/src/main/java/com/example/xiangyi/sudoku1/Sudoku.java -> app/src/main/java/com/example/xiangyi/sudoku1/Main_Activity.java
	modified:   app/src/main/java/com/example/xiangyi/sudoku1/Sudoku.java
	modified:   app/src/main/res/layout/game.xml
	new file:   app/src/main/res/raw/button_click.wav
	new file:   app/src/main/res/raw/cursor_1.wav
	modified:   app/src/main/res/values/strings.xml