I think is the best to play poker for free
www.betcoin.tm/tw/poker 0.1 freeroll everyday and 1 btc freeroll every weeks.
I didnt find any freerolls there, dis you meant "cash shark freeroll"?
The everyday freeroll (twice a day) named by "massive daily luck freeroll) and the every week freeroll named "massive luck weekly freeroll"
you can find all those freeroll under the Tournament tab..just scroll down and you'll find it.