Tokyo Hire-Taxi Assoc. launched their free Takkun App to hail an official taxi in Tokyo http://bit.ly/1xa8IKs
Today the Japan Tokyo Higher taxi association starts offering Japan’s first taxi app that can be referred to as the vehicle of “smartphone de touch-kun.” about 9200 taxis from one app! Supported iOS, Android, Windows8 and 8.1. download for free.
Update: app version renewal January 28, 2015
Search To download the Android version of the app is “Tokyo Taxi”
Search To download the iOS version of the app in the “Tokyo Taxi”
To download windows8 edition app search for “Tokyo Taxi”