The iOS Periscope app was just updated to include livestreaming from Phantoms and OSMO. I already tested it with the OSMO, will try the P4 this evening I think.

Just found it on the app, be great now for DJI to make the changes on Facebook live also!

I reached out to the periscope team to ask them to include this same live streaming feature into the android app. Their response is if they get enough requests they'll look into it. So please hit up @periscopeco on twitter, or submit a feature request in the app to support android.