A casino lobby may look like one screen, but it relies on provider integrations...

https://coinsniper.net/blog/behind-the-casino-lobby-the-technology-that-makes-online-play-run-smoothly

A casino lobby may look like one screen, but it relies on provider integrations to load games, separate balance records to track wagers, and payment-status updates to show whether a deposit is pending or ready. Those systems must stay in sync.