Free Download Coco 7.1.0.0 AppX for Windows Phone
Free Social App by Instanza Inc.

You are downloading the Coco AppX file v7.1.0.0 for Windows Phone. Coco is a free and useful Social app: Experience the best way to send text and voice messages, all for FREE!Wave ‘goodbye’ to SMS and say ‘hello’ to Coco -- free, ... You can now download the offline AppX file to install & try it.
Download Locations for Coco 7.1.0.0 AppX file
To try to install it manually from an SD card, you should choose one of the server location above to get the offline Coco AppX file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.