A casino lobby may look like one clean screen, but it connects game-provider...
https://coinsniper.net/blog/behind-the-casino-lobby-the-technology-that-makes-online-play-run-smoothly
A casino lobby may look like one clean screen, but it connects game-provider feeds, account balance records and mobile loading choices. Each system has to stay in sync, so games appear quickly and the balance shown matches what the account records.