Its a fork of https://nostrudel.ninja for Monero. You can sign into your Nostr account the same way. Or just make a new account to play around with it. It's basically identical to Nostrudel besides the Monero tips I think 

 yeah yeah yeah but how do I connect up the wallet? I didn't see a spot for it? Still see the lighting addr input field but none for xmr?

I just put the addr in the bio