Designing a full-sized game for a five-inch screen is all about choosing what...

https://www.start-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 is all about choosing what really matters instead of just shrinking everything. You focus on touch-first controls that fit naturally on a small display