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

https://titussexcellentnews.nexorafield.com/posts/why-desktop-game-ui-can-t-just-be-scaled-down-to-mobile

Designing a full-sized game for a five-inch screen means focusing on what matters most. It’s not just about shrinking everything down. You start with touch-first controls that feel natural on smaller screens