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

https://sierra-wiki.win/index.php/Why_Do_Casinos_Need_Clear_Categorization_Instead_of_Endless_Scrolling%3F

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.