Slot machines once towered over casino floors with cabinets more than 50 feet...

https://varimail.com/articles/what-is-responsive-design-in-a-mobile-slot-game/

Slot machines once towered over casino floors with cabinets more than 50 feet tall or screens over 40 inches wide. Now, many games fit comfortably on phone screens just 6 to 7 inches across