Scan barcodes on products, or Data Matrix and QR Codes containing URLs, contact info, etc.
https://play.google.com/store/apps/details?id=com.google.zxing.client.android
dev - https://github.com/zxing/zxing
Change your smartphone into a powerful QR Code, Barcode, and Data Matrix scanning utility. http://play.google.com/store/apps/details?id=la.droid.qr
Generate QR codes http://qrdroid.com/generate/ http://www.the-qrcode-generator.com/
origin - http://www.pipiscrew.com/?p=2128 android-qr