Now that Daydream can cast to your TV it should have opened up a lot of fun to be had with friends. Unfortunately, audio is still not available on all games and isn't even set as on by default which. When you cast your Daydream view to show people the awesome game you've been playing, or an amazing 360 video of Paul McCartney, of course, you want it to have audio!
For now, it seems that not all apps have audio capabilities, which is a bummer. However, even with those that do support audio, you'll need to turn the feature on. Here's how to do it!