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

https://telegra.ph/Why-Do-Mobile-Games-Feel-Harder-to-Navigate-Than-Desktop-10-06

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