QR Code is easy application for your android phone that lets you read and create QR codes and share them with other people.
How it's work
 1) Scan QR code
  -Click on the scan icon of Left-Bottom of the home screen.
  -Click on the Camera icon.
  -Allow Camera permission.
  -Scan QR code.
 2) Generate QR code
  -User can generate the following QR code...
   -Phone number
   -Personal Visiter card
   -Web Site URL
   -Text Message
   -Wifi
   -Email
 -Select any category form home screen, add appropriate details and click on Generate QR code button.
Feature of QR code reader
 - Easily scan QR code and generate code
 - Powerful QR decode speed
 - QRcode generator allows you to encrypt personal information, create codes for messages, wifi, phone numbers, location and share with friends.
 - Generate QR code for a piece of text, a weblink
 - Create QR code for the message you want to send to your friends or relatives
 - Create QR from contacts for your friend to scan it on their device
 - Barcode Scanner allows you to view the detailed product information by QRcode at stores, supermarkets, ...
 - QR code scanner does not need an Internet connection to scan the QR Code.