Designing a full-sized game for a five-inch screen means deciding what matters...

https://www.primary-bookmarks.win/designing-a-full-sized-game-for-a-five-inch-screen-means-focusing-on-what

Designing a full-sized game for a five-inch screen means deciding what matters most. Instead of just shrinking the experience, you focus on touch-friendly controls that feel natural on a small display