Unlikely to help you, but in Poland you can use local “Blik” payments with NFC from your bank app, without Google Pay.

although setup on Linux is weird

Works fine with Gluetun!

Works in Firefox :P

Do you want to have a single UI for multiple clients?

Doesn’t have the playlist overlap functionality, but a good player is Symphony from f-droid.

Sadly, that read is true. It was postponed to Fedora 41 :/