A RFID Reader app which is working via Bluetooth 4.0+. This is a lite version of MTools which support read and write 13.56MHz IC card via Bluetooth Low Energy technology. To use this app, you must DIY the hardware which contains a PN532 board and Bluetooth 4.0+ board. It will help you to read and write sectors of the Mifare classic card easily no matter if the devices have NFC support or not.