Playing a browser game on your phone can feel just like a native app because it...

https://smoothdecorator.com/how-do-i-keep-the-same-features-on-mobile-without-cluttering-the-screen/

Playing a browser game on your phone can feel just like a native app because it loads quickly and remembers your progress through caching. The game works smoothly in portrait mode and uses touch-friendly controls designed for easy tapping and swiping