7 main reasons for download: - A review of product parameters in the store - just scan the barcode from the price tag - Compare 2 products at the store - just scan the barcodes from the price tags - Get an overview of all your purchases if you are a member of NAY Extra Club - Status of the point account and early warning for the expiration of points for members of the NAY Extra Club - NAY Extra card in mobile - Payment for orders via Google PAY or in a cashier - Overview of current stocks in NA