I have to rethink now! Mondstern Acrylic Icons is also possible with Linux. If I find someone who can answer everything with “YES:

You use Linux
You are familiar with Flathub/Flatpak
You can also speak English (Of course, German would be easier)
You can handle Github.
If we don’t bring it to Flathub, but as “manually” as “Arcticons Linux (the Arcticons Android Iconpack for Linux) https://codeberg.org/Arcticons/Arcticons-Linux , let’s work together on #Codeberg