Show HN: A Scrabble-like word game for learning Spanish vocabulary (spanish.tilebo.app)

I built this game after a 2 week trip to spain. It's for learning Spanish vocab, not for competitive playing. I plan to keep this MVP version free and without registration, then add some pay features (audio pronunciation and a review deck). Any advice on launching a new web app will be appreciated. Is it important to make it a PWA? Built with python (Flask) + Gunicorn