A casino lobby may look like one screen, but it connects separate systems:...

https://trevorssuperbnews.hexaforgey.com/posts/how-do-casinos-combine-video-and-betting-controls-in-one-interface

A casino lobby may look like one screen, but it connects separate systems: provider integrations supply games, balance records track funds, and payment status updates show whether deposits have cleared. Keeping those parts in sync is the real work.