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.
MTools BLE is also the first App supports on ChameleonUltra and ChameleonLite devices via Bluetooth. Manage slots, dumps and settings of the ChameleonUltra and CameleonLite device.

PN532 Bluetooth RFID Reader on Bluetooth Low Energy.