I use graphene os and i pay with the app of my bank. They just included a tap to pay function a few month ago. Its Working perfectly. For all features of the app one has to install play services , but i can have Them deactivated and still pay.
Oh thats a very different bubble of jews than mine then. All jews i now -also in germany- do not agree at all with him. I even know Israelis living here (for more than 10years), that hate him and went to the big protests against his politics whenever they went to Israel visiting their familys - Already before the war started.
GLS Bank