Designing a full-sized game for a five-inch screen isn’t just about shrinking...

https://wiki-aero.win/index.php/Does_Landscape_Really_Give_More_Space_for_Games_on_Phones%3F_98327

Designing a full-sized game for a five-inch screen isn’t just about shrinking everything down. It’s about focusing on what matters most. Touch-first controls need to be easy and natural to use with one hand