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