Relingo is an educational app that focuses on enhancing users' memory of English vocabulary. By automatically highlighting obscure words while reading and providing translations while watching videos, it assists users in building their vocabulary as they delve into their favorite content. The product supports various languages, including Chinese, English, Japanese, etc., and covers a wide range of scenarios, such as full text translation, bilingual subtitles for videos, and PDF reading, enabling users to improve their language skills in an immersive translated environment.