Open WhatsApp No without saving mobile no in your contact directory.
Simply open the App, Goto Open WhatsApp, Select Country, Enter your Mobile No, and Click the Button, It will open WhatsApp No for you without saving your mobile No.
If your device doesn't have QR or Barcode scanning and you want to check data in QR and Barcode then you can also view those data in this app.
More Features will added soon...