A mobile browser game can feel just like a native app because it loads quickly...

https://www.bookmark-ignite.win/a-mobile-browser-game-can-feel-just-like-a-native-app-by-supporting-portrait-1

A mobile browser game can feel just like a native app because it loads quickly and works smoothly, even on slower connections. It supports portrait mode for easy one-handed play and uses touch-friendly controls that respond well to taps and swipes