Houhou was actually designed by Doublevil, a user on this site.
/t/Houhou-12-Dictionary-and-SRS-application-for-Windows/6733/1
There’s no deck for it that I’m aware of, though this might be a function that will be introduced at some point. It’s pretty easy to create your own decks, though I recommend that you limit how many words you add to it at any time. I just add vocab to it that I come across from reading or studying sources, like NHK Easy or Genki.