I consolidated the suggestions so far, and put them in a gdoc so that I can try some of these out when I get time. I didn't include a few on my list (bike race, wheres my water, angry birds, etc).
In case you're interested, here is the list:
Need for Speed Most Wanted
Dead Trigger
The Curse
Contract Killer
Draw Something
Wild Blood
Jelly Defense
Beach Buggy Blitz
Rayman Jungle Run
Asphalt 7
Jetpack Joyride
Hill Climb Racing
Granny Smith
Turkey Season
Plants vs. ZOMBIES
Free Flow
Death Dome
NBA Jam
Funky Smugglers
Tank Hero
Bad Piggies
CK Zombies 2
John NES Lite (google NES ROMS for games)
Great Big War Game (turn game?)
Drawdle (physics)
Zombie Evil
Nova3
Modern Combat 3
Dead Space
Draw a Stickman
Shoot the Zombirds
Conte Jour
Battleheart
Call Of Duty Black Ops Zombies
Modern Combat 3
Bards Tale
Gun Bros
SG Deadzone
Plague Inc (Puzzle)
Royal Revolt (tower defense)
Devils Attorney
Bouncy Ball
Order Up
Osmos HD
Real Racing 3
Shadow Gun Dead Zone
Order and Chaos
Book of Heros
Front Line Commando D-Day
Worms 2 Armageddon
The King of Fighters
Dungeon Hunter 4
Zombiewood
Hardest Game Ever 2
NFS Mostwanted
Re-Volt
Real racing 3,2
CSR Racing
Batman: Dark Knight Rises
Dungeon Hunter 4
Wild Blood
TinTin
GTA Vice City
Skaterboy
Feed me oil
Fruit Ninja
Iron Man (good but boring)
Temple run 1,2
Oz
Brave
Indestructible
Blood Brothers