Fmost - OST of China is a free Android application that allows users to listen to good Chinese movie music songs. The program is always updated with the latest and hottest soundtracks, ensuring that users can access the latest music. The application also allows users to search for soundtracks according to genre.

One of the unique features of Fmost - OST of China is that it enables users to use voice to search for songs in Vietnamese. Additionally, the application automatically switches to the next song when the current one finishes playing. Users can also save their favorite songs or soundtracks for future listening.