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

https://dibz.me/blog/how-do-aspect-ratios-affect-game-ui-on-phones-1269

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 in your hand. You decide whether portrait or landscape fits the gameplay best