WhatsWeb - Use dual WhatsApp chats here
Now you can use second whatsapp account from this application.
Its very easy to use just scan qrcode from your mobile and your whats app chat is displayed in this application and you can chat from this app.
if its hard to scroll use Two fingers for Scrolling...!!!
Disclaimer
This is an UNOFFICIAL tool for WhatsApp Messenger. This app is developed by an independent developer, not affiliated to the official developer. Usage in this app falls within guidelines of "fair use".