Smartphones are getting bigger and better.
The mobile industry is one of the most innovative in the world, continually addressing user experience concerns and bringing fresh, new design and user interface ideas in the most industrious, ingenious, and well-funded ways.
https://learn.g2crowd.com/mobile-ux-design/
Brought on by the steady rise in mobile users and usage worldwide, mobile user experience (or Mobile UX) has recently become a major focal point for many digital marketers. It essentially encompasses how customers experience a mobile app while they’re active in the app itself. With the goal of offering a smooth and user-friendly UX, mobile UX is something which must be continuously optimised – especially if businesses wish to maintain a loyal and satisfied customer base. This is where the collection of in-app feedback comes in handy.
https://mopinion.com/why-collect-in-app-feedback-mobile-ux/