Slot machines used to tower over casino floors in cabinets more than 40 inches...

https://record-wiki.win/index.php/What_Happens_to_Slot_Game_Controls_When_You_Rotate_Your_Phone%3F

Slot machines used to tower over casino floors in cabinets more than 40 inches tall, heavy and immovable. Now, many games fit comfortably on a 6-inch phone screen, letting players spin reels anywhere