Slot machines used to fill casino floors with giant cabinets sometimes over 6...

https://star-wiki.win/index.php/Why_Do_Mobile_Slots_Rely_More_on_Menus_Than_Desktop_Slots%3F

Slot machines used to fill casino floors with giant cabinets sometimes over 6 feet tall. Now you can play similar games on a phone screen just 6 to 7 inches wide