Designing a full-sized game for a five-inch screen is all about prioritizing...

https://rowansnewwords.tearosediner.net/how-do-i-design-a-slot-ui-that-works-in-both-orientations

Designing a full-sized game for a five-inch screen is all about prioritizing what matters most. Instead of just shrinking everything, you focus on touch-first controls that fit comfortably in your hand