Version 1.59.7. Add this repository to F-Droid (or Droid-ify, Neo Store) to install and update Zam through it.
Add to F-Droid (on the phone), or add it by hand:
Address: https://az4521.github.io/Zam/fdroid/repo
Fingerprint (SHA-256): 3891DEE7E295DC0B1AD000838BDB81B5C67CAEED2D0000C48568724FE4F35903
An install from here is updated by F-Droid; Zam does not fetch its own APK.