LONDON--(BUSINESS WIRE)--Viber, one of the world's leading messaging apps with more than 600 million users worldwide, today announced the acquisition of Nextpeer, the leading provider of a cross platform social layer for mobile game developers. The move is part of Viber's long-term strategy to invest in and retain the top talent in the tech space, as the business continues to grow its global user-base. Nextpeer is known for its pioneering software development kit that enables game developers to