Yet I never actually recommended it to anyone, because it's basically unusable unless you're willing to tinker a lot, and put up with its very unintuitive UI.
I've had a look at your app, and it looks like a way more complicated version of Anki. I think that will put off many people from even trying it out
You're clearly onto something: Roam and new PKM tools are more popular than ever, Remnote is even hiring people. You just need to figure out how to present your workflow ideas.
I tried to check out LearnObit as well, but a rabbit, seriously?
Look, you're free to put whatever in your app. If that's a one minute long 10fps animation of a rabbit in a suit, with a Coelho quote, all the more power to you, but I need you to understand, that makes it hard to take it seriously.