monochrome:grayscale browser

just gray scale browser.

You can adjust brightness by volume button.

But if you need color mode,you should input secret command.
You know that?

up,up,down,down,left,right,left,right,1,2

left is title/url select button.
right is "Star(bookmark)" button.

It's legendary secret command known as 'konami command'.
try it.

This secret command change color mode in order,monochrome -> invert monochrome -> color.