Searching for a specific "APK" file (rather than downloading via the Google Play Store) introduces significant risk.
On a Samsung Z Fold or Pixel Fold, version 6219 does not recognize dual screens. It will stretch the home screen awkwardly. For foldables, you need Nova 8. nova launcher prime apk 6219 best
Here is the honest answer:
Choose Nova 6.2.19 if:
Skip Nova 6.2.19 and use Nova 8 if: