pull down to refresh

This one? https://github.com/fiatjaf/lnurlpos-app Isn't it working? I have no updates, I thought it was working. It is just a software implementation of Ben Arc's hardware version.
Thanks! Follow up question:
Any thoughts on best algorithm to rank content? Whether Nostr, Stacker News, or legacy Twitter a schema is needed to rank content.
I like how SN is using sats divided by time to create a temporary ranking that diminishes with time.
Curious what you think about ranking content with sats?