The Polk Ultramarine App for Android is an app that allows you to control the music player on your Android device with your smartphone or tablet. It works as a remote control for the player and lets you do things like turn the music up or down, change the volume, and so on. It can also do things like search for a specific track or album, or even see what song is playing now.

You can use the app as a remote control for the player on your Android device. It works as an app that you can hold in your hand and use as a controller for the music player. It's an app that will let you do things that you couldn't do with the remote control, like turn the music up or down and change the volume.

It works as a remote control for the music player on your Android device.