A casino lobby may look like a simple grid, but each game depends on provider...

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

A casino lobby may look like a simple grid, but each game depends on provider integrations, balance records and mobile loading choices. These systems need to stay in sync so a tap opens the right game and shows the correct funds.