As Harmonia: Goya’s Land is in beta, you should find bellow most answers of your issues. If not, you can ask on report channel

"A new version is available" pop every time

Your device can’t access to our server. We are investigating on it.

Minimum android version

Harmonia is tested for android 10.

It should works without warranty on android 8.1

Play Harmonia on PC

Harmonia on PC is planned for Mid March.
Otherwise you can play it on bluestack