We can help install following ROMs as per your request:

Platform    		games
Atari2600     		2541
Game gear   		661
Game boy    		599
GBA               	500
GBC               	1001
MAME           		2271
N64                     298
NES                     783
Neogeo pocket    	11
Neogeo pocket C    	148
PC Engine		664
(TurboGrafx-16)
PS                      103
SEGA MS       		364
SEGA MD      		951
SEGA 32x                36
SG-1000		        94
SNES			784

We don't own any ROM's copyright, all game ROM are download from internet and installed for free.

You always can purchase RetroPie gaming system via pi-store.com.