Guitar Chords Scales: Learn F is a free Android application developed by Madster Multimedia. It falls under the category of multimedia and specifically music and radio. The app is designed to teach users how to play guitar chords and scales in any music key.

With its user-friendly interface, the app is easy to use and is an excellent tool for beginners. It allows users to play back and forth through the scale of any key using its main guitar chords, including major, minor, and sevenths chords. The app also helps users find guitar chords that work together in a particular key by exploring intervals such as 1st, 4th, 5th, 4th or 1st, 5th, 6th, 4th.

Moreover, Guitar Chords Scales: Learn F covers all major and minor music keys and helps users discover chord progressions. It is an interactive music reference and composition aid that can be used as a songwriting tool. Overall, it is a handy app for anyone who wants to learn how to play guitar chords and scales.