Mergen: AI English Tutor

Mergen is a voice-first AI English tutor built to overcome speaking anxiety. Talk naturally with live speech recognition, get real-time on-screen grammar and pronunciation corrections without interrupting dialogue flow, and practice with personalized daily missions. Features interactive CEFR level placement (A1-C1), karaoke-style reading library, spaced repetition vocabulary, and progress analytics. Available on Android & Web.