Cool tool :) If you're looking for feedback: It's easy to get started (pleasant that you are not forcing a login), but not so easy to understand what to actual

Cool tool :) If you're looking for feedback: It's easy to get started (pleasant that you are not forcing a login), but not so easy to understand what to actually do — what's the main flow? Which buttons am I supposed to press to do what? Some onboarding may help. Since I'm not really in the market to learn English: Are you planning to offer this for other language pairs?