A mobile browser game can feel native because it supports portrait mode, making...

https://foxtrot-wiki.win/index.php/What_Should_I_Prioritize_First_to_Make_My_Mobile_Web_Game_Feel_Native%3F

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