I messed around with this feature some last night and it works great! This is going to be amazing.
Some nice touches are you can easily swipe to highlight one of the other streams to change the audio. You can click and hold to reorder the active streams. You can click on one stream and make it full screen, then hit MENU once and it brings it back to your 4 streams. That last one is awesome and something the Fox Sports Go app didn't do. So, when something exciting is happening in one you can easily go fullscreen and then back once it is done. Even during Bama games I can pick 3 other games, watch Bama in fullscreen but during commercials minimize it to check out the other games. Can't wait!