Coco - a free app with which you can make free calls in the bcm world, your friends and family will be as close as never before. At any time you can contact them and chat. In addition to voice communication is the ability to leave audio messages push-to-talk or simply chat in the chat. If you wish you can communicate by several companies, this is the function "group chat». Share files and photos as well as another information, all Deco and simple. The interface is very clear ,get used to it no need. everything is in its place.