this app can Clone your NFC card id to CUID card , eg , your door cards , etc . your phone need to have NFC function , if not , you can not use this app . if you want to clone any of your card id , you need at least 1 writeable CUID card to write

to read card id:
tap your card to your phone back. if this app can read card id , it will show the id , and automaticlly add one record in the list .

to clone id to CUID card:
touch one item in the card list , its id will show in the top bar . now the app enter the writing mode , tap your CUID card , and app will write the id to the CUID card . first time you write a new CUID card will cost a couple of seconds , next time you write to this card , it will not cost that long time. because app use the last key to test card.

deleting card in list:
long press item in card list , a dialog box popup, and you can delete card id record ,or edit card name .

auto sorting:
card list will automaticlly sort by click time.