The New Mwanza Hotel is in Mwanza, where you can play the slots. They also have accommodation so you can stay the night if you wish! This venue has an average rating of 4 out of 522 reviews, with the lastest ratings being between 3 and 5. The reviews for the New Mwanza Hotel appear to be a bit mixed.
The New Mwanza Hotel does not appear to have any published opening hours, but you may find some more information on their website.