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

https://deansinspiringperspective.hexaforgey.com/posts/why-does-my-mobile-ui-feel-cramped-even-after-scaling-everything-down

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