Yes, GOS has excellent compatibility with Google. The play services are sandboxed like a normal app and work great.
If you live in the EU then you can use curve pay which can tap to pay.
Why is no tap to pay significant enough to stop you from switching to a phone that is private and secure? You can just carry a card and tap—they're tiny.
There are alternatives for payments (scroll the thread, maybe look up on GOS discussion site).