La description de Backing Track Portal(Guitar Backing Tracks)

Do you know ''Backing Track Portal' APP.?
This app is 'Of the Guitarist, By the Guitarist, For the Guitarist' App.
I'm a professional developer and a amateur guitarist.
- Do you needs backing tracks when playing Guitar?
- This app has many backing track collections.
- Quick filter by Key(C, D, E, F, G, A, B), scale(Major, minor, pentatonic, etc...), genre(Blues, Jazz, Rock, Hard Rock, Metal, Ballad, Acoustic, etc...).
- Quick search and auto playback.
- Auto replay one track for your continuously practice.
- Very easy & quick search tracks.
- You're favorite songs append to this app from Youtube.
- 'K-Pop special' provide music video and guitar, bass, drum cover and tutorial of famous K-Pop for you.
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NEXT... New Feature.
COMING SOON...!!!
- Learn how to playing guitar riffs and licks.
- How to play famous song's soloing.