Kdeconnect + dolphin lets you mount your phone
Why does it feel wrong?
The pixel 4a is end-of-life. I recommend switching to something newer.
the link doesn’t work
Or create a bootusb instead of burning a cd. Additionally, I recommend not connecting it to the internet during installation, as it skip’s using a Microsoft account (at least on win10 it does).
so far
Maybe https://spektor.itch.io/tachyon, but it’s hard to recommend something suitable without an age range.