[Zaeer]

is proxy ing the data in 2 side so if the original can do, the phone would do
nfcproxy is use as a relay that's it
if you record the card nfc you have to used it before owner use he's card again
if he have already use nfc or not, because is limit and when the limit is reach it ask to enter emv card and to type pin
that's NFC
if you talk about mag spoof is then related to magstipe, that's not the same method of paiement dont confused the 2