Designing a full-sized game for a five-inch screen is really about setting...

https://garrettsinsightfulchat.wordcanopy.com/posts/why-do-mobile-slot-games-hide-the-paytable-in-a-menu

Designing a full-sized game for a five-inch screen is really about setting clear priorities, not just shrinking everything down. You focus on touch-first controls that feel natural on a small touchscreen