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

https://www.bright-bookmarks.win/designing-a-full-sized-game-for-a-five-inch-screen-means-deciding-what-matters

Designing a full-sized game for a five-inch screen is about making smart choices, not just shrinking everything. You focus on touch-first controls that feel natural on a small display. Portrait mode often works better than landscape