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

https://mega-wiki.win/index.php/Pixel_Density_and_UI_Sizing:_Why_My_Buttons_Look_Tiny

Designing a full-sized game for a five-inch screen is all about choosing what matters most. Instead of shrinking the whole experience, focus on touch-first controls that fit naturally in your hand