A casino lobby looks like one menu, but games may use separate provider...

https://atomic-wiki.win/index.php/How_Does_a_Casino_Lobby_Connect_to_Different_Game_Studios%3F

A casino lobby looks like one menu, but games may use separate provider integrations, while other systems track balances and payment status. Mobile loading choices decide what appears first, which is why a game can open before a deposit is confirmed.