With the Z1000 Pro beta firmware v6.0.45_G Zidoo updated Home Theater to version v4.0.21
I’ve created a modded APK for the Android 6/7.1 devices based on the Android 9 code from the Z1000 Pro beta firmware v6.0.45_G
Modded APK
Zidoo Home Theater v4.0.20 – McBluna.net
With the 
beta firmware v6.0.45_G Zidoo updated Home Theater to version v4.0.20
I’ve created a modded APK for the Android 6/7.1 devices based on the Android 9 code from the beta firmware v6.0.45_G
Zidoo Music Player v6.7.6 – McBluna.net
With the Z9X/Z10 Pro Beta Firmware v6.0.45 Zidoo updated Music Player to Version v6.7.6
I’ve created a modded APK for the Android 6/7.1 devices based on the Android 9 code from the Z9X firmware v6.0.45_G beta
Modded APKs for Android 6/7.1 devices based on Android 9 firmware
It took me three days to figure out how to create working APKs for the Android 6/7.1 devices based on the Android 9 code from the Z9X firmware v6.0.35.
Update 2020-09-10: Since Zidoo released an update for Z9S with even more current versions of their apps, the use of modded APKs is not necessary for now.