zdmc-17.6.1_1295.apk from aptoidekodi.apk from aptoide
Download APTOIDE https://en.aptoide.com/installerThen copy apk to empty formated usb stick, insert usb stick in to x20 and install then open Aptoide FROM apps in x20 and down load ZDMC and KODI. from thereLet me know how you get on