This DEMO application is for manufacturing NFC Bluetooth speakers powered by GT-tronics NFC and Bluetooth modules.
It's free of charge to get the installation package of Bluetooth SPK MPTool, also, you can read users' reviews on Droid Informer. The app works fine on Android 4.0 and higher. This application is totally secure for downloading. GT-tronics developed Bluetooth SPK MPTool that falls into the Communication category.
The app has been downloaded and installed by over 1K users and the latest update was released on Nov 4, 2013. On Google Play, this application is rated 3.9 by its users.