smartSOUND is a free Android app developed by Premier Accessory Group that allows users to control and customize their Premier FM transmitter. With smartSOUND, users can easily set the FM channel to their desired frequency, stream music, and access other great features.

The app's user interface is simple and intuitive, making it easy to navigate and use. The main screen displays all the available features, including the FM channel, music streaming, and equalizer settings. Users can easily adjust these settings to their liking and save them for future use.

One great feature of smartSOUND is the ability to stream music directly from your phone to the FM transmitter. This allows users to enjoy their favorite tunes while on the go, without the need for any additional equipment. Overall, smartSOUND is a great app for anyone looking to customize their Premier FM transmitter and enhance their listening experience.