Hi HN we’re David, Sam and Philipp and we’re building Univerbal (https://univerbal.app).We’re an AI language learning app where you talk to your AI Tutor, just like you would with a human one. Here’s a short demo of what that looks like in an actual conversation: https://www.youtube.com/watch?v=IukKGc00juYWe actually started as a Show HN over a year ago and the responses we got from the HN community led us to apply to YC and make an actual company out of a side project (original Show HN https://...