Beware of the fake DJI app from Google Play Store that is misleading you into paying for a subscription to use it : r/dji
DroneVR - FPV for DJI drones on the App Store
LITCHI now on the Phantom 4 Pro Plus CONTROLLER - baby steps shown by Phantomrain.org
Camera with 1-inch 20MP sensor the onboard camera has been redesigned to use a 1-inch Megapixel CMOS sensor. Five-directions of obstacle sensing
DJI Phantom 4 Professional+ Quadcopter (Includes Display) CP.PT.000549
Litchi for DJI Drones - Apps on Google Play
Motor Idling (Loose or Missing Propeller)-Possible Solved
DJI Phantom 4 / Pro / Pro+ Owners Group
Litchi for DJI Drones (A Complete Guide) – Droneblog
Software for generating grid coordinates that Litchi can use
Litchi for DJI Phantom 2 - Apps on Google Play