So, i was having a short but informative conversation with a nice support guy called Roman.
I was asking for a list of supported banks, who accept payments on their pos devices with revolut card. He make it perfectly clear, that there is no such list. Either there is a mastercard logo on the pos device in the store u want to pay, either there is not. If there isnt, they cant guarantee the transaction will be made with Revolut Card. I think thats pretty important information which is nowhere to be found, or at least - i didnt found it ( excuse me if thats the case ).
So, if you want to avoid looking silly in a store trying to pay with your Revolut Card, like i did a several times - look for the mastercard logo in the pos device or any mark, that mastercard is accepted.