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

https://deansinspiringperspective.hexaforgey.com/posts/how-do-i-handle-camera-cut-outs-and-notches-in-game-hud-design

A mobile browser game can feel just like a native app by supporting portrait mode, so it fits your screen comfortably. It loads quickly thanks to smart caching, letting you jump right in without waiting