Download Shito-Ryu Karate WKF App and learn karate. 

https://play.google.com/store/apps/details?id=com.fuchsia.shitoryukaratewkf

Application "Karate WKF" of Mapbile on Google-Play: 

https://play.google.com/store/apps/details?id=com.mapbile.karatewkf