For Android

Download nostr:npub1kvaln6tm0re4d99q9e4ma788wpvnw0jzkz595cljtfgwhldd75xsj9tkzv

Go to contacts

Select a minibits.cash address

Select a mint in settings

Select nostr relays in settings

Put your minibits address in the LN address box of your nostr profile

Zaps to your notes will appear as ecash in minibits

Zap a note in your nostr client and approve in minibits

Pay LN invoices with ecash balance

DM or text frens nuts

Amethyst has beautiful redeem function in nostr

Also use contacts in wallet to pay any npub

Minibits has a LN to ecash bridge which makes this very efficient.

It is custodial. Write down your seed words.