Ebay or Amazon
well first you have to do is nothing because you cant hack a game boy with out a game shark so first buy a game shark then put the cord in your computer and down lode the cheats then put it in your game boy then start the game up and select the cheats so you actually cant hack a game boy you get cheats
No most Game boy games are non violent but it depends on what game you buy.
walmart
You can buy them at the market near my house
you can buy them off eBay
You can buy larger expansion battery packs for the Game Boy Advance that last much longer.
The first gameboy was the 'Gameboy'(google it), you can still buy them now, but very rarely! It came out in 1990, just after the Nes in 1986.
Ebay or VideoGameBoxProtectors.com
Depends who you buy it from
The first portable game is I think the game boy
The Lenmar Replacement Battery for the Nintendo Game Boy is a good battery.
The first portable game is I think the game boy