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

https://mighty-wiki.win/index.php/What%E2%80%99s_the_Ideal_Spacing_Between_Touch_Buttons_in_Games%3F

Designing a full-sized game for a five-inch screen is all about making smart choices, not just shrinking everything down. It means focusing on touch-first controls that feel natural on smaller displays