Designing a full-sized game for a five-inch screen means focusing on priorities...

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 means focusing on priorities instead of just shrinking everything down. It’s about making touch-first controls easy and natural in portrait or landscape mode