LookAway Player's interface does what it needs to (pictures)

LookAway Player has limited YouTube features, but you can look at the videos that are currently trending.

The YouTube search function works just as you would expect it to.

When viewing a video, you'll notice an eye icon in the upper right that tells you the app recognizes that you are actively watching.

In the settings you can turn off Vision Control (though I'm not sure why you would), and you can use sensitivity sliders for both the look-away and muting gestures.

The app was pretty reliable about pausing whenever I looked away, but there's not much more to it than that.