This AV Controller app will turn your Android device into a Wi-Fi enabled remote control for your Yamaha network products(*). This App provides you the flexibility to control the available inputs, volume, mute and power commands. It lets users change a song from Internet Radio, USB and command FM/AM tuners or any other internally available source. Music Play feature allows you to stream music tracks directly from your Android Device to Yamaha network products to so you can enjoy high quality music through your AV system.Screen sizes of Tablet devices are also supported.It