معین is a free Android app developed by Yung philz devS that falls under the Multimedia category with a focus on music and radio. The app is named after Nasrollah Moein Najafabadi, an Iranian singer and songwriter, and is designed to provide users with a diverse range of music and radio stations.

With معین, users can access a wide variety of music genres, including pop, rock, classical, and traditional Iranian music. The app also offers a range of radio stations from different regions of Iran, providing users with a way to stay connected to their culture and stay up-to-date with the latest news and events.

Overall, معین is a great option for users who want to explore and discover new music genres and stay connected to their roots through regional radio stations. The app is easy to use and navigate, and the content is regularly updated to ensure that users have access to the latest music and radio stations.