“This Week in KDE Apps” brings the news that Dolphin gets new looks, and its connectivity to Samba shares improves; Photos, the image viewer that works both on desktops and mobiles, can share photos again; and KRetro, the app for retro gaming, gets one step closer to being incubated as an official KDE app, among many other things.
https://blogs.kde.org/2025/06/29/this-week-in-kde-apps/
Yeah, you could technically install a Linux distro on a phone or a tablet since some support ARM processors. And KDE is designed to support small form factor touch screens. I believe Pine Phone ships with it by default.