A good mobile browser game feels native because it works smoothly in portrait...

https://penelopessmartdigests.talesignal.com/posts/do-casual-browser-games-need-low-latency-like-multiplayer-shooters

A good mobile browser game feels native because it works smoothly in portrait mode, making it easy to play one-handed. It loads quickly, thanks to smart caching, so you don’t wait around