Something about finding notes from a specific npub in the case of j'adore anime.

For the kinostr stuff I'd look for events with both the hashtag and an MP4 file. Maybe have a button on the create page to "show Nostr videos" or something. My nostr:nprofile1qqs9e40cq5kx0y0ys70sundezdr96ugata07ps9tnyzfccryck3etgspz4mhxue69uhhyetvv9ujuerpd46hxtnfduhszrnhwden5te0dehhxtnvdakz7qgswaehxw309ahx7um5wghx6mmd9ufm2jfg npub uses a similar format for each post that has name, cover and the movie, so it could grab all the info you need.