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

https://sizedesk.com/what-happens-when-a-full-sized-game-has-to-fit-on-a-five-inch-screen/

Designing a full-sized game for a five-inch screen is about making smart choices, not just shrinking everything down. You start by putting touch-first controls front and center, so players can easily tap and swipe