An online casino lobby looks like a grid of games, but each tile can connect to...

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

An online casino lobby looks like a grid of games, but each tile can connect to a different provider, while separate systems track balances and payments. Live dealer games add another layer: a video stream must stay in sync with betting controls