WhatsApp alternative Hoccer secures € 50 million from Dirk Ströer

3 problems with it:

- how the heck do you pronounce this?

- where's the source, Luke?

- where's the app for feature-phones?

here they explain their security concept: http://hoccer.com/hoccer-xo-privacy-security-statement/

open sourcing the client and / or server code should be a long-term goal if you want to compete against other open source messenger apps which claim to be secure.