Golden Harp is an Android app that includes four popular Russian/Ukrainian songbooks: "Песнь Возрождения 3300", "Псалмоспіви", "Євангельські Пісні", and "Пісні Спасенних". The app offers a range of features, including the ability to find a song by its number in the respective songbook, an alphabetical index, and searching by song title. Users can also add their favorite songs to a favorites list, open a random song, and choose between light and dark themes. The app also offers a localized interface in English, Russian, and Ukrainian.

The app allows users to share songs via email, Bluetooth, and text messaging, and it is completely free to use. It is worth noting that all song rights belong to their respective authors and the developer is not responsible for any song lyrics added by users of this application. With its rich features and localized interface, Golden Harp is an excellent choice for those who enjoy Russian/Ukrainian music and want to have a comprehensive songbook app on their Android device.