SM Entertainment's smart karaoke app called everysing, has officially been released in Japan since last month and has gained much attention.

SM has partnered with AVEX and Universival Music to create 'every sing Japan'. They have worked with Japan karaoke company XING and ave officially launched this app service since October 2.

This app is available through the iPhone app and is currently ranked at number 5 under the 'free app' category.

It has gained much attention from Japan fans since its release date.

Also, as a way to celebrate the launch of the app in Japan, they held a special event during SM Entertainment's 'SMTOWN LIVE WORLD TOUR IV in TOKYO' on October 4 and 5 and randomly chose people from the concert who downloaded the app and handed out prizes.

This 'smart karaoke' app was first launched in Korea in June of 2013. This app included many features including recording of songs and having them send their recordings as auditions and more.

This app is also available on both iPhone and adroid and is also ranked number 1 on the Korea Google Play store for karaoke apps.

This app was also nominated for the '2013 Google Play App Awards' as well.

'every sing' will continue to update with the most recent and popular songs and create different services for users.