Microsoft have updated the Android version of the Xbox One SmartGlass beta app. Microsoft have two versions of the SmartGlass app on Android, there is the standard one and a beta version which gets the new features first. The beta version enables liking of game clips, the ability to like an item in the activity feed and there are general stability improvements.
You can find the beta Xbox One SmartGlass app in the Google Play Store.
Like a Game Clip
Like an item in the activity feed
General stability and polish improvements