APP € 12 Store is free and allows the consumer experience to download the virtual Loyalty CardThrough the policies and rules of the Marinha Grande 12 € Shop loyalty program you can use your customer number to accumulate balance on the customer card for a percentage of the amount consumed in order to redeem it for future purchases or discounts. .Through the € 12 Shop APP you can also manage and consult various aspects associated with the use of your customer card such as the accumulated benefits, their validity, usage report, coupon activation, news, schedules, etc.