Thread:Dizzle23/@comment-24322648-20140107033306/@comment-18942112-20140107085625

I see, it indeed is not available by default for your current device. However, there are ways to get it functioning.

It requires your phone to be rooted (removes warranty, though) but here is a little guide: http://nexus7.wonderhowto.com/how-to/install-whatsapp-messenger-onto-your-nexus-7-and-sync-with-your-phone-number-0142540/

Do you use other chat apps on your nexus 7?