Periscope has updated its Android version on May 12th (today) in order to get the following:
You can search for broadcasts by tapping on the new Search button in the Global List. You can tap on a suggested topic (e.g. #Travel) and broadcast into that topic as well.
Broadcast from a drone.
You can broadcast from a supported DJI drone by connecting your iPhone to the drone’s remote. Switch between your drone’s camera and your iPhone cameras or Sketch on the video to highlight different sights!