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

https://felixssuperperspective.brightsora.com/posts/what-are-the-signs-a-browser-game-is-well-optimized-on-mobile

A mobile browser game can feel just like a native app because it supports portrait mode, making it easy to play one-handed. It loads quickly thanks to smart caching, so you jump right into the action without waiting