Using my Sony SRS-X7 this app will allow me to select a music source like Pandora, TuneIn, etc., and choose a channel . But to go back to the app to change channel, you get the endless spinning wheel, or finally youre connected to the Home screen to choose your music source again. Clunky, slow, a pain to use. Best to choose a channel and never try to change your mind. Its a sad reflection on Sony. Elsewhere is my home I use SONOS internet connected speakers which has a slick, reliable, pleasure to use IPhone app to select your sources and channels.
Bpmd50 about Sony | Music Center, v3.6.1