FourChords Guitar Karaoke App is now available in the App Store US. FourChords combines guitar, karaoke, easy chords and lyrics in a new unique way and makes playing guitar easier than ever before.
Check the website: http://fourchords.com
Or this Guitar Interactive story: http://www.iguitarmag.com/news/fourchords-–-the-ultimate-guitar-karaoke-app/
And what do you think, what would be the #1 campfire song in US we should publish in the app?