I'm happy for you that you've done this, but I don't understand why someone would pay for this instead of using Anki. Especially since chatgpt can generate anki decks for free.
This app was the starting point for presenting interactive content in Emurse. We're currently focusing on filling in areas of language learning that are missing - like phonetics.
If anyone is interested, they can checkout Dogen's Phonetics Course on Emurse: https://emurse.io/courses. There's also an "instant demo" for the Thai Course where you can try a demo without creating an account.