WhatsApp: Poor Implementation. Scanning a QR code to establish a connection between the Windows Desktop and a smartphone is a bit quirky and in this case, quite unreliable. This app is NOT a "Real Desktop" software application. It merely establishes an unstable wi-fi connection between a desktop / laptop and a smartphone. If the phone loses its wi-fi connection, the app simply stops working. Perhaps if you designed the app to work like a generic software application running on the Windows or Apple Operating System (OS) instead of a smartphone simulation maybe it will attract more users and garner a better rating.