Girls & Girls-For-Girls (abbreviated as GG-4G) is a free online music learning app developed to help people of all ages learn to play the guitar. The app features an extensive set of over 500 popular guitar melodies from genres such as Rock, Pop, Jazz, Blues, and Country. Each category features a set of beginner, intermediate, and advanced lessons to help people with different musical experience levels learn to play.

The app includes the most basic elements, such as note chords and scales. It also offers more advanced elements, such as recording guitar with music loops, sound effects, loops, and an extensive set of tutorials. The app is compatible with the latest devices, such as the iPhone, iPod, iPad, and even the new iPad. It also supports the latest Windows operating systems, such as Windows 10.

The app also has a library, which contains more than 500 tunes to learn to play, from your favourite music. It includes an extensive list of chords, scales, and music loops, to help you learn to play guitar with ease. You can also record and share your guitar playing. The app features an extensive set of free songs, loops, and guitar tutorials to help people learn to play the guitar. It also includes a recording feature, which lets you record a melody and play it back.