Nintendo's 'Miitomo' app tops iOS charts, hits 1 million users milestone in just 3 days

Miitomo - Nintendo's first mobile app - was launched last week on April 17, and looks like it has already been a huge success. It became the top social-networking iOS app in Japan the day it was launched.The app surpassed Line, which has been the Asian country's top IM app all this while. Not only this, Miitomo also crossed the 1 million users milestone in just three days, something which