原文恕刪
1.
NFC TAG搭配密碼app（keepassdroid + nfc key）
用來開啟keepassdroid的密碼資料庫
省去手按密碼的麻煩
網頁
http://code.lardcave.net/entries/2013/04/01/215058/
2.
Mifare Classic Tool - MCT
可以拿來讀一些rfid的感應磁扣、門卡
用途：
需具備rfid的相關知識，才知道要怎麼使用吧
（猜測用途：或許可以拷貝安全機制不足的rfid門禁卡，歡迎嘗試分享）
網頁
https://play.google.com/store/apps/details?id=de.syss.MifareClassicTool
This is an Android NFC-App for reading, writing, analyzing, etc.
Mifare Classic RFID-Tags.
GENERAL INFORMATION
This tool provides several features to interact with (and only with)
Mifare Classic RFID-Tags.
It is designed for users who have at least basic familiarity with the
Mifare Classic technology.