The source code for this application is available on Github on the following link.
-Android 4.3 or newer is required.
-Tested on Samsung S3 with Android 4.3 and on Nexus 5, 6 and 9 with lollipop and Marshmallow.
-Location Services need to be enabled for scanning on android 6.0 Marshmallow and in addition, runtime persmission ACCESS_COARSE_LOCATION is also required.
Thank you for making it so easy, and especially for sharing the source :D