Google gives Android users a way to install unverified apps if they worked hard for it(including waiting 24 hours)
(android-developers.googleblog.com)
To be honest this one is in hand, curve has an alternative product and a lot of banks across EU have nativr NFC. My country does not have those banks though. I hope revolut bring it in.
I do want something that takes me tickets for shows and flights and membership cards too though