1st & Goal - Google
1941: World War Strategy (aka Axis and Allies) - Google
6 Takes - Google - Amazon
Achoir (aka Acquire) - Google
Agricola All Creatures - Google
Alhambra - Google - Amazon
aMAZEing Labyrinth - Google
Ascension - Google
Baseball Highlights 2045 - Google
Battlelore - Google
Blood Bowl - Google - Amazon
Boss Monster - Google - Amazon
Brass - Google - Amazon
Cafe International - Google - Amazon
Camel Up - Google - Amazon
Can't Stop - Google
Carcassonne - Google - Amazon
Castles of Mad King Ludwig - Google - Amazon
Catan - Google - Amazon
Chainsaw Warrior - Google - Amazon
Colt Express - Google
Coup - Google
Cthulhu Realms - Google
Dawn of Man (aka Stone Age) - Google
Dominion - Google - Amazon
Don Quixote - Google
Droidippy (aka Diplomacy) - Google
Eight Minute Empire - Google
Elder Signs: Omens - Google - Amazon
Elemental Clash - Google
Fairy Tale - Google
Freebloks (aka Blokus) - Google
Galaxy Trucker - Google - Amazon
Ghost Blitz - Google - Amazon
Glass Road - Google
Hey, That's My Fish! - Google - Amazon
Hive - Google
Ingenious - Google - Amazon
It's Alive! - Amazon
Jaipur - Google
Kingdom Builder - Google - Amazon
Kwirkle (aka Qwirkle) - Google
Lanterns - Google
Le Havre: Inland Port - Google
Magic - Google - Amazon
Manhattan Project - Google
Mastermind Board Game - Google
Mr. Jack Pocket - Google
Mystic Miracles (aka 7 Wonders) - Google
Mysterium - Google
Neuroshima Hex - Google
Onirim - Google
Pandemic - Google - Amazon
Paperback - Google
Patchwork - Google
Pirates - The Board Game (aka Boomtown?) - Google
Potion Explosion - Google
Quoridor - Google
Race for the Galaxy - Google
Race of Nations (aka Through the Ages) - Google
Red 7 - Google
Reiner Knizia's Skyline - Google - Amazon
Reiner Knizia's Labyrinth - Google
Ricochet Robots - Google
Roll for It - Google
San Juan (Or Condado) - Google
Scotland Yard - Google - Amazon
Sentinels of the Multiverse - Google - Amazon
Set - Google
Sky Hiking (aka Balloon Cup) - Google
Small World - Google - Amazon
Splendor - Google - Amazon
Star Realms - Google
Steam - Google - Amazon
Suburbia - Google - Amazon
Summoner Wars - Google - Amazon
Talisman - Google - Amazon
Talisman Prologue - Google - Amazon
Terra Mystica - Google
Through the Ages - Google
Through the Desert - Google
Tichu - Google - Amazon
Ticket to Ride - Google - Amazon
Tigris and Euphrates - Google - Amazon
Tokaido - Google
Treasure Hunter - Google - Amazon
Tsuro - Google
Twilight Struggle - Google
Weave (aka Indigo) - Google
Whoowasit? - Google
XenoShyft - Google
Zombies!!! - Google - Amazon
Of course you can find all the regular stuff like Monopoly, Skip Bo, Uno, Boggle, Farkle, Shut the Box, Stratego, Ludo, Chess, Risk, etc, as well.
And my favorite games for iPad that aren't available for Android are Lords of Waterdeep, Quarriors, Stone Age, Zombie Dice, Kahuna, Labyrinth, Forbidden Island, Dead Man's Draw, and Forbidden Desert.
But there's also Police Precinct, Puerto Rico, Monster Chase, Rivals for Catan, Tanto Cuore, Pathfinder, Fluxx, Food Fight, Tikal, Gubs, Nightfall, Penny Arcade, Le Havre, Agricola, Dino Hunt Dice, Sheepland, Core Worlds, Gold!, Kingdoms, Space Hulk, Inkognito, Coup, Kingsport Festival, Keltis, Haggis, Medici, Cargo Runners, Ghost Stories, Ramses II, Kahmate, Caylus, Dominant Species, Eclipse, Dice Town, Yardmaster, Battleline, Ra, Cyclades, and all the major ones for Android too.