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

https://milosinterestingcolumns.huicopper.com/what-makes-a-mobile-game-interface-feel-invisible-to-users

Designing a full-sized game for a five-inch screen is all about making smart choices—it's not just shrinking everything down. You focus on touch-first controls that feel natural on a small display