That’s because voyager is a web app. It is a well designed and integrated PWA which makes it look and feel close to a native mobile app. The above mentioned preferred solution is Android specific and many multiplatform apps skip such optimization.

That’s more than enough. You can’t do any more.

As an Android flavour it should be safe after uninstalling all apps associated with the university. Did any of them need a “device owner” permission? That’s the only way to be more persistent on Android without root access.

He’s looking for quite recent Amd based laptops which all support win 11, so I would actually expect the prices to increase with the higher demand.

Filesystem permissions

For many apps it is not an issue and provides additional security but in other cases it’s very annoying and not trivial to fix.

Example1: opening a .docx from Thunderbird flatpak with OnlyOffice flatpak does not work out of the box.

Example2: mpv and VLC flatpaks work well for local files, but fail to open network shares from Dolphin.

I think a possible solution would be runtime permission dialogs when denied access.