Video Games Handhelds :

Atari

Lynx

Bandai

WonderSwan
WonderSwan Color
SwanCrystal

Nec

PC Engine GT

Nintendo

GameBoy
GameBoy Pocket
GameBoy Light
GameBoy Color
GameBoy Advance
GameBoy Advance SP
GameBoy Micro
DS
DS Lite
DSi

DSi XL - new!
3DS missing

Nokia

N-Gage
N-Gage QD

Sega

Game Gear
Nomad

SNK

NeoGeo Pocket
NeoGeo Pocket Color

Sony

PSP
PSP Slim & Lite
PSP Go
missing

Tiger

Game.Com