Sorry if the Nostr links where not working:
https://twitter.com/monstr_app
and
But download links on their website are also not working.
Discussion
I have never seen that app and I don't support it.
You said you were testing. Is that app even possible ?
I notice that site says "completely open-sourced" but the github icon links to https://github.com/orgs/monstr-org/repositories which has zero public repositories. That's not open source.
