Viber 4.0 introduces push-to-talk and new sticker market
 

Instant messaging and VoIP service Viber has launched a new major release, which introduces instant push-to-talk, a new sticker shop and optimization for Android tablets. Viber is upping the ante in mobile instant messaging services. While its previous major release, version 3.0, came with desktop support, seamless call transfers and video calling on desktop, version [...]

http://vr-zone.com/articles/viber-4-...sticker-market