The N900 is capable of basically anything and it basically has all the software one could need or want, for the most part, but still there isn't any emulator for Sega Genesis/Mega Drive, eventhough it's possible.

You want a reason why we need one? Here you have it:

Addams Family
Aerobiz
Alien
Alien Storm
Animaniacs
Another World
Arcade Classics
Art of Fighting
Ballz 3D
Batman
Batman Forever
Batman Returns
Batman: Return of the Joker
Beyond Oasis
Bio-Hazard Battle
Battle Frenzy
Bonkers
Bubba 'n' Stix
Bugs Bunny in Double Trouble
Captain America and the Avengers
Captain Planet and the Planeteers
Castle of Illusion Starring Mickey Mouse
Chakan: The Forever Man
Chaos Engine
Cliffhanger
Columns
Comix Zone
Contra: Hard Corps
Corporation
Dark Castle
Darwin 4081
Demolition Man
Dick Tracy
Disney's Aladdin
Disney's The Jungle Book
Double Dragon
Double Dragon II: The Revenge
Dragon Slayer: The Legend of Heroes
Devil's Crush
Dragon's Revenge
Duke Nukem 3D
Dune II
Dungeons & Dragons: Warriors of the Eternal Sun
Dynamite Duke
Earthworm Jim
Earthworm Jim 2
Ecco Jr.
Ecco the Dolphin
Ecco: The Tides of Time
Ex-Mutants
Exile
Exosquad
F1 Grand Prix
F-22 Interceptor
Fatal Fury: King of Fighters
Fatal Fury 2
Forgotten Worlds
The Flintstones
Flashback
Galaxy Force
Gargoyles
Gauntlet
Gemfire
General Chaos
Ghostbusters
Ghouls 'n Ghosts
Global Gladiators
Golden Axe
Golden Axe II
Golden Axe III
Hellfire
Home Alone
Immortal
Indiana Jones and the Last Crusade
Incredible Hulk
Ishido: The Way of Stones
Jeopardy!
Jewel Master
Jurassic Park
Justice League Task Force
Kawasaki Superbike Challenge
Kid Chameleon
King of the Monsters
Krusty's Fun House
Landstalker: The Treasures of King Nole
Lemmings
Lemmings 2: The Tribes
Lion King
Lost World: Jurassic Park
Lost Vikings
Lotus
McDonald's Treasure Land Adventure
Mega Bomberman
Mega Man: The Wily Wars
Michael Jackson's Moonwalker
Mickey Mania: The Timeless Adventures of Mickey Mouse
Mighty Morphin Power Rangers
Mighty Morphin Power Rangers: The Movie
Mortal Kombat
Mortal Kombat 2
Mortal Kombat 3
Ms. Pac-Man
Mr. Nutz
Monopoly
Nightmare Circus
No Escape
Onslaught
Outlander
Out Run
Pac-Attack
Paperboy
Phantasy Star
Phantasy Star II
Phantasy Star III: Generations of Doom
Phantasy Star IV: The End of the Millennium
Phantom 2040
Pinocchio
Pirates of Dark Water
Pocahontas
Pitfall: The Mayan Adventure
Populous
Powerball
Predator 2
Primal Rage
Punisher
Radical Rex
Rambo III
Ranger X
Revenge of Shinobi
Shadow Blasters
Shadowrun
Shining Force
The Simpsons: Bart vs. the Space Mutants
The Simpsons: Bart's Nightmare
Smurfs
Sonic the Hedgehog
Sonic the Hedgehog 2
Sonic the Hedgehog 3
Spider-Man vs. The Kingpin
Spider-Man: The Animated Series
Spider-Man and Venom: Maximum Carnage
Splatterhouse 2
Splatterhouse 3
Star Trek: The Next Generation: Echoes from the Past
Stargate
Street Fighter II
Streets of Rage
Streets of Rage 2
Streets of Rage 3
Super Monaco GP
Super Street Fighter II
Superman
Syndicate
Terminator 2
TaleSpin
Taz-Mania
Task Force Harrier EX
Tecmo Super Baseball
Teenage Mutant Ninja Turtles: The Hyperstone Heist
Theme Park
The Tick
Time Killers
Tiny Toon Adventures: Buster's Hidden Treasure
Tiny Toon Adventures: ACME All-Stars
Tom & Jerry: Frantic Antics!
Toki
Toxic Crusaders
Toy Story
True Lies
Twin Cobra
Ultimate Mortal Kombat 3
Turrican II: The Final Fight
Vectorman
Vapor Trail: Hyper Offence Formation
Virtua Fighter 2
Wacky Worlds Creativity Studio
WWF Raw
Worms
X-Men
Zero Wing


See those games? Yes, that's precisely why we need a Sega Genesis emulator on the N900!

I picked the best games out there for this system. Genesis was special. It should live on. I'm glad i could grow up with it, blowing cartridges and all...