Use APKPure App
Get PlaylistSync (Legacy) old version APK for Android
Restore playlists backed up on Google Drive with PlaylistSync until the 6th Dec
If you've previously backed up your Android playlists on Google Drive with the help of PlaylistSync, you can restore them with this app, but ONLY UNTIL THE 5TH OF DECEMBER 2019.
After that, Google Drive will stop working and your playlists will be lost.