How to start
长按右上角按钮 2s 开机/关机/点亮屏幕
Long press (2s) on the button at top right corner to power on/ power off/ light up the screen
输入 153 解锁九宫格（从左到右、从上到下,自一开始计数）
Enter 153 to unlock Ninebox (start with 1, from left to right and top to bottom)
Try to click anywhere. Have fun!