Rakuten, Japanese Media Holding, buys Viber Media Inc, which has developed Viber messenger app. The sum of this transaction isn’t a secret. Rakuten purchases internet calling app-maker for $900 million.

Rakuten hasn’t announced what they are going to do with the acquisition. However, the head of the company (Hiroshi Mikitani) mentions that Viber has a wide sticker market and the messenger possesses a good potential as a sort of a play platform.

More than 300 million people use Viber Messenger App, which gives an opportunity to exchange messengers, photos and videos. Viber Media was founded by Talmon Marco, Israeli businessman, in 2010.