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

https://zulu-wiki.win/index.php/Responsive_Breakpoints_for_Games:_Should_I_Target_Specific_Phones%3F

Designing a full-sized game for a five-inch screen is all about prioritizing what matters most. It’s not about shrinking everything down but choosing touch-first controls that make playing easy and fun