Not entirely sure, this article has a little more info...
"Last week, the tribe announced it would allow sports betting, craps, and roulette at its brick-and-mortar casinos in Florida starting on Dec. 7, deciding not to wait to hear about the fate of a pair of lawsuits questioning the validity of its compact with the state."
Hard Rock Bet Up And Running In Florida
SPORTSHANDLE.COM
In an unexpected move, the Seminole Tribe has launched its Hard Rock Bet app in Florida for early sports betting account holders.