. WinPrincess Online Sports casino Sites List Betting Casino Site in Tanzania. The present Terms and Conditions regulate the registration on the site, any use of the services offered and all bets accepted by Princess Leisure (Tanzania) Ltd. The company primarily operates with casino Here's how to install WinPrincess Bet Tz, the best online casino app for Android. Largest Selection of Slots by Top Providers like BetSoft, Mr. Dominican Republic, among others.