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

https://wiki-global.win/index.php/Why_Do_Casinos_List_Game_Providers_and_Studios_in_the_Lobby%3F

A casino lobby may look like one screen, but it relies on separate systems: provider integrations supply games, while account records track balances and rounds. Clear payment statuses show whether a deposit is pending, complete, or failed.