I hope we see a hybrid between Alexa and Nexus player. Maybe integration with nest camera even.
Picture in picture was announced for Android N
an updated google music app for the love of god
History Channel 1 & 2.
FYI, History Channel 2 is dead. Replaced by Viceland.
Our, you know, obvious stuff like wallpapers and app switching.
Throw in Wiimote or Kinect controls if you want to get fancy.