Apps, apps, apps: Who’s winning and what’s working on Google Play and iOS

App Annie released its May apps index this morning– all apps minus games — and the giants are doing well: Microsoft, Google, Apple, and Facebook are well-represented on the top publisher lists. But there’s also some surprises, and some new entrants to the most-downloaded and highest-grossing app leader lists on iOS and Google Play.

Hello, Skype … and WhatsApp: Viber has 200M users and a new, spiffy desktop video-calling client

The result is a combination of just about every kind of communication you could wish for in a single client: mobile text-message-like messaging, audio, and video. Which means that not only is Viber competing with mobile messaging platforms like the massive WhatsApp, it’s also competing with existing VOIP giant Skype.