The screen recording is of the app running on GrapheneOS.

Culture Shock is the name of the Nostr / Bitcoin / Lightning event this upcoming Saturday in Phoenix, Arizona. nostr:npub1jwev660jrdrfeaw2u9sssv3v4jgsxqs32qmd5yhpgzlesg5j0gase4qha6 https://www.nostrphx.com/culture-shock

That app is based off of my work on a more general purpose Nostr conference app called Comingle nostr:npub1c0nfstrlj0jy8kvl953v84hudwnpgad0zx709z0ey7nmjp0llegslzg243