BenanApp

                                             Koto

https://play.google.com/store/apps/details?id=com.benanapp.koto

Play Koto

This is an application koto instrument. 

features:
- HD interface
- Quick access to use
- Anyone can create their own songs.
- Studio sound quality
- Color wires
- This virtual instrument all android devices, phones, smart phones and is supported for all screen resolutions for tablets.
Definitely FREE instrument app.
Have fun