The providers that are restricted from  your sign up country are usually watermarked (appears pale gray)  in the section on Casino->Filter
​https://fortunejack.com/faq/prohibited-territories
​
Below you can find the list of restricted countries for our provider Endorphina:

Alderney, Australia, Belgium, Bulgaria, Czech Republic, Croatia, Cyprus, Denmark, Estonia, France, Gibraltar, Greenland, Greece, Guadaloupe, Isle of Man, Italy, Jersey, Lithuania, Malta, Portugal, Romania, Slovakia, Spain, Sweden, Switzerland, The Netherlands, UK.