A mobile browser game can feel just like a native app by supporting portrait...

https://www.bright-bookmarks.win/this-mobile-browser-game-feels-like-a-native-app-because-it-works-smoothly-in

A mobile browser game can feel just like a native app by supporting portrait mode, which fits how you usually hold your phone. It loads quickly thanks to smart caching, so you spend less time waiting and more time playing