CBulu is an Android application to sing the hymns in Bulu language from their smartphone. It was designed in order to allow any Christian EPC comprising or speaking Bulu worship God anywhere. Bringing together 396 hymns of the new edition "Bia is Zambe Kane", the application provides the user can customize the songs at will. It can change the font (10 fonts are offered) the title of the verses, the chorus and the author of a hymn; The user can also change the colors of these elements using the color palette found in the settings.
     The application also allows the user to choose some songs as favorites. To do this, the user must open a hymn to the right of the title song is a gray star. By clicking on it, it becomes yellow, automatically adding this song in the list of favorites. To access this list, the user must click on the menu button in the main window and click on "Favorites", and it gets a list of her favorite songs and simply click on a title to load the song.