As of Sep. 30th/18 DqJIGO4 ver, 4.3.2 for Android available on apk-mirror.
DJI GO 4--For drones since P4 4.3.2 APK Download by DJI TECHNOLOGY CO., LTD - APKMirror
DJI GO 4--For drones since P4 4.3.2 APK Download by DJI TECHNOLOGY CO., LTD - APKMirror