A casino lobby looks like one screen, but separate systems do the work:...

https://charlottessuperjournals.tearosediner.net/where-can-i-see-game-rules-and-stakes-before-i-load-the-game

A casino lobby looks like one screen, but separate systems do the work: provider integrations load games, balance records track wagers and wins, and payment status shows whether a deposit is pending or complete. The interface hides those handoffs.