This licensing ensures. . Prepare to wait. WinPrincess is a recognized sportsbook operating under the licensing authority of the Gambling Board of Tanzania. · 3. Princess Leisure (Tanzania) Ltd. Prepare your documents. Check the ratings, bonuses, betting margins and all other important facts about WinPrincess. Once you win big, you need to stop gambling right away! · 2. 5 THINGS TO DO WHEN YOU WIN A BIG AMOUNT OF MONEY · 1. Chile, Clipperton. There are literally thousands of online slot machines to choose from, so you can be sure to find a game that suits your needs and interests. /[HOST] is organising gambling games in a casino, on gaming tables and with slot machines. Review of WinPrincess.