Messenger and Hangouts offer users choice, each have their own benefits. Hangouts work great for cross platform (web, iOS, Android) and cross medium communications (video, voice,messaging, SMS). Messenger will be specially designed to be a quick and easy way to send and receive SMS and MMS messages on Android; more to come (Nexus 6 will come with both apps). (traduzir)
E vem mais por aí. O Google tentou comprar o ZapZap! Ano que vem tem um iMessage mensageiro novo pintando. Talvez adicionando funcionalidade ao Google Messenger.
Hangout chora.
via androidpolice