This application is owned by WhatsApp Inc. Closed or unapproved. This program changes the way numbers are stored in contacts. This app uses WhatsApp's "Click to Chat" feature to open a conversation with any number (a chat window between you and that number). Connection with device is not established. No need to save on contact list. Open the program, enter the number and press the chat button; The conversation will open (WhatsApp will report if there is no number). This tool is simple and easy to implement. No plugins, additional dimensions, dangerous permissions ... Only open features are used in WhatsApp.