Designing a full-sized game for a five-inch screen means focusing on what truly...

https://wiki-stock.win/index.php/Why_Desktop_Game_UI_Can%E2%80%99t_Just_Be_Scaled_Down_to_Mobile

Designing a full-sized game for a five-inch screen means focusing on what truly matters, not just shrinking everything down. It’s about putting touch controls front and center so playing feels natural