A gun for Game Boy.

Idea.
to have an attachment that can change from game to game.
to be able to control game boy one handed.

Ideal for.
shooting games like Duke Nukem and Turok.

Why use.
easier to use.
pull a trigger not a button.

Features.
trigger.
changable parts. 
joy stick.
controlable on one hand.

Nintendo should make something like this for Game Boy.