1 - Game Boy (28 games)
2 - Game Boy Colour (6 games)
3 - Game Boy Advance (10 games)
4 - NES (11 games)
5 - Game Gear (3 games)
M - Miscellaneous (8 apps)
e - e-shop (11 games)
D - DSi ware (4 games)
d - demos (1 demo)
Thank god for folders because my home screen would be a nightmare otherwise.