Sorry to say that the more interesting apps just for iOS as they are more depending on low latency but he was talking on one of the Google I/O videos and how the low latency coming will allow him to develop some more apps for Android as well.
The apps he developed so far for Android is the following:
This is the second TED talk from a music app developer that I know about,
the first one being Boris Blank and Hâkan Lidbo that was the minds behind Yellofier.