Smartphones replaced separate entertainment devices because they combine music,...

https://highstylife.com/why-do-some-mobile-pages-rely-on-tiny-text-and-it-drives-me-crazy/

Smartphones replaced separate entertainment devices because they combine music, games, videos, and more in one pocket-sized gadget. Mobile-first design needs to get navigation and usability right. For example, easy one-handed use matters a lot