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 NAY stores