Post the games you tested in this thread and I will keep editing the post to keep it up to date. (updated 26th November)
PAL SNES
Alien 3 - works
Batman Forever - works
B.O.B - works
Bulls VS Blazers - works
Cool Spot - works
Cybernator - works
Donkey Kong Country - doesn't work
Earthworm Jim - works but controls are a bit off: very hard to use helicopter-head move
FIFA 98 - works
Flashback - works
F-Zero - works
GP-1 - doesn't work
Illusion of Time - doesn't work
Indiana Jones Greatest Adventure - works
Jungle Strike - works
Jurassic Park - works
Killer Instinct - works
Lethal Enforcers - doesn't work
Mickey Mania - works
Micro Machines - works
Pilot Wings - works
Plok - doesn't work
Primal Rage - works
Starwing - doesn't work, corrupted graphics
Stunt Race FX - doesn't work
Street Fighter 2 Turbo - works
Super Ghosts & Ghouls - works
Super Mario All-Stars - doesn't work
Super Mario All-Stars & Super Mario World - doesn't work
Super Mario Kart - works but screen flashes garbage randomly; playable but irritating
Super Mario World - works, vertical thin black line on screen very rarely
Super Metroid - doesn't work
Super Star Wars - works
Super SWIV - works
Tiny Toons: Buster Busts Loose - works
Ultraman - works
Unirally - works
Vortex - works
Zelda: A Link to the Past - works
NTSC-U SNES
7th Saga - works
Aero The Acro-Bat - works
Batman Returns - works
Battletoads in Battlemaniacs - works
Brain Lord - works
Breath of Fire - works
Breath of Fire II - works
Chrono Tigger - works
Demon's Crest - works but gets laggy at parts
Donkey Kong Country - works
Donkey Kong Country 2 - works
Donkey Kong Country 3 - works
Earthworm Jim - works
Earthworm Jim 2 - works
F-Zero - works
Final Fantasy III - works
Ice Hockey - works
Killer Instinct - works
Lion King - works
Lost Vikings, The - works
Lost Vikiings 2, The - works
Lufia & the Fortess of Doom - works
Maui Mallard - works
Mario Paint - works
Mega Man X - works
Mortal Kombat - works
Mortal Kombat III - works
Mystical Ninja - works
NHL Stanley Cup - works
Pitfall: The Mayan Adventure - works
StarFox - works
Spawn - works
Super Adventure Island
Super Castlevania IV - works
Super Ghouls 'N Ghosts - works
Super Mario All-Stars - works
Super Mario World - works
Super Putty - works
Super Star Wars - works
Super Star Wars: Empire Strikes Back - works
Super Star Wars: Return of the Jedi - works
Super Turrican - works
Tiny Toons: Buster Busts Loose - works
Ultimate Mortal Kombat 3 - works
Ultimate Stuntman, The - doesn't work
Yoshi's Island - works
Zero The Kamikaze Squirrel - works
PAL NES
Chip & Dale Rescue Rangers - works
Duck Tales - works
Little Nemo - works
Shadow Warriors - works
Super Mario Bros/Duck Hunt - works
Super Mario Bros 2 - works
Super Mario Bros 3 - works
Tiny Toons - works
NTSC-US NES
Batman - works
Digger T. Rock - works
Disney Adventures in the Magical Kingdom - works
Double Dragon - works
Excitebike - works
Gauntlet - works
Ghosts 'N Goblins - works
Kid Ikarus - works
Little Mermaid, The - works
Mega Man 2 - works
Metroid - works
Ninja Gaiden - works
Ninja Gaiden 2 - works
River City Ransom - works
Rolling Thunder - doesn't work
Star Tropic - works
Super C - works
Super Mario Brothers - works
Super Mario Brothers 3 - works
TMNT 2 - works
Zelda - works
Zelda 2 - works