This was copy and pasted from the FAQ's section over there>>>>>>>>>>>>
The U.S. states that do not allow skill-based gaming are: Arizona, Arkansas, Connecticut, Delaware, Florida, Iowa, Illinois, Louisiana, Maryland, Montana, South Carolina, South Dakota, Tennessee, and Vermont
The countries that do not allow skill-based gaming are: Brazil, Argentina, the People's Republic of China, South Korea, Japan.
http://www.wgt.com/help.aspx#countries