EllApp 
Instant Message chat for iOS, Android and Windows Phone, written with Apache Cordova with Visual Studio 2015. (In Development)
Follow these steps in order.
How to Use
Server Side
You can choose (for the moment) if use PHP server or C# server
- Open CMD
- Navigate to the WebSocketChat/bin folder
- Execute "php chat-server.php"
- Don't close the Window
Chat Server (C#)
- Open the Solution
- Compile in Release Mode.
- If you have trouble compiling, add the DLLS into "references" folder. Let me google it for you