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

https://www.booknose.win/designing-a-full-sized-game-for-a-five-inch-screen-is-about-making-smart

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