The 3DS Virtual Console games all have two secret button combinations that make them feel more like an original Game Boy.
When you boot a game up normally it'll be full screen and in black and white. If you hold L and R while playing, then press Y as you hold them, the screen will tint green like it was on the original Game Boy.
Even better, if you hold Start and Select as you load the game from the 3DS Menu, the game will load in its original resolution with a Game Boy border, to make it look like it's playing on an original Game Boy.
Finally, as a final touch of genius, if you turn up the 3D slider while playing with the Game Boy border the screen slides ever so slightly back, just like it was in a proper Game Boy.
We've provided screens to show you how it looks. Try it out and let us know what you think!
Reviews coming up later on today...