The Guitar with Songs funktioniert nicht

So, here are all the amazing features you get for free: 24-fret guitar with multitouch, real strumming, real fretting, chords,  real guitar damping and vibrato, open hammer, pull off, string tuning, 4-8 string support, adjustable metronome, resizable frets, resizable strings, customizable fret markers, customizable fingerboard,  left-handed support, optional auto-plucking, full-screen support,  navigation bar, quick jumping to frets, quick fret shifting, learn songs, 2 modes of learning, practice strumming, learn both hand positions, and it's all FREE! -Chart topping hits from the latest artists will be added regularly. -Songs from every genre imaginable.  From Pop, Rock, and Alternative to Country, Reggae, and TV/Movie Themes. -There are even songs for young budding musicians in the Children’s section. -Perform the latest hits on a mellow acoustic guitar. -Jam to Rock n’ Roll standards with the sweet sounds of an electric guitar. -These guitars look, sound, and play like the real thing! -Full length fret board with hammer on and pull off capability. -Perform any song you choose with a band!  The app store’s only guitar with real strumming and fretting that you can learn to play songs on!  Rock out to hits in the style of artists such as Sam Smith, John Legend, Bruno Mars, Pink, Katy Perry, and Adele.  There are over 1,400 songs that you want to play drawn from current hits and classics every serious guitarist should know.  Even if you can already play like a rock star, this is the guitar you’d want to jam on.  We’ve included several free songs with your guitar to get you started.  Or jam to all-time chart topping hits like “Sweet Home Alabama”, “Hotel California”, and “Stairway to Heaven”.  The guitar by itself is amazing!  You can impress your friends or just perform for your own personal gratification!  So download it and give it a try.  No other app offers this amazing new feature. -Your own band plays along with you on drums, guitars, and rock piano!! -This is a real-time experience, the band keeps pace with you! - The subscriptions are $2. 99 weekly, $7. *Price are equal to the value that "Apple's App Store Matrix" determines is the equivalent of the subscription price in $USD.