Awesome thing to do with the 3 original series

When you turn on your gameboy or whatever your using hit the D-pad when it starts and add A or B and it should change.
Heres a video with bad quality that I made:
Please don't comment on quality

I too lazy to click the link, but do you mean the things that switches colors from Red to Blue (or vice versa)? I did that by accident once, scared the crap out of me.

Ya, you wouldn't see the colors much, since this was my camera and my video camera doesn't work anymore .
Changes in the Blue version to red, green, yellow, orange, black, and others .