Star Scales Pro For Guitar funktioniert nicht

Instead of teaching complicated charts, Star Scales Pro app quickly helps you to master scale patterns, improve speed and accuracy, and build up muscle memory at the same time.  In Star Scales Pro app each scale comes with fingering and note names in all positions on the fretboard, making it easy to master a pattern.  The Star Scales Pro app is here for you, to help you acquire proficiency and confidence in playing your guitar!  The Star Scales Pro app will teach you one scale, and all its patters, at a time.  You can switch between different keys, tunings, or playback mode, as well as create your favorite scale patterns, or find a particular one using the search bar tool.  All you ever wanted was playing like a star but incomprehensible scale charts are still holding you back?  Learn Guitar Scales More Easily with your iPhone and Let your Unique Guitar Solos Shine.  Star Scales is used by over 1 MILLION musicians worldwide!!!  You’ve always dreamed of being a great guitar player like Jimi Hendrix, David Gilmour or Jimmy Page?  It allows you to concentrate on one scale in all keys, and practice it until you sharpen your skills.  Enhance your guitar skills - rock with Star Scales Pro!