This APP can connect with all of our HCT Bluetooth scales

* Support both Bluetooth 2.0 and Bluetooth 4.0
* User can operate ZERO/TARE/UNITS funtions to control scale in this APP
* User can store weighing data in this APP
* User can manage and statistics weighing data in this APP
* User-defined input box
* User can use camera of mobile phone to scan barcode/QRcode in this APP
* Provide SDK to support customer APP design