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

https://fernandosbrilliantnews.iamarrows.com/why-do-mobile-games-use-collapsible-menus-so-much

Designing a full-sized game for a five-inch screen is all about making smart choices, not just shrinking everything down. It means focusing on touch-first controls that feel natural in your hands