Barcode & QR Code Scanner - A free app which allow to read and generate barcodes for Android.
Instacart - Groceries delivered in an hour. Free delivery or pickup on your first order over $10!
QuickMark - QuickMark makes everything possible.
Ocado - The online supermarket
QR Droid - QR Droid Zapper
Walmart - Find quality products at unbeatable prices at home, in our stores or on the go.