A method for enabling, via a digital wallet application, a smart card to operate as a primary smart card for a plurality of a user's smart cards. The primary smart card may include a microprocessor, a touch screen, a wireless interface and an embedded subscriber identification module (“E-SIM”) card. The method may include retrieving on the primary smart card, from the digital wallet application, a list of a plurality of smart cards, displaying on the touch screen of the primary smart card, a selectable list of the plurality of smart cards, receiving, via the touch screen, a selected smart card and storing the card data on the E-SIM of the primary smart card. When the primary smart card is within a pre-determined proximity to a point-of-sale (“POS”) device, the primary smart card may be configured to transmit the card payment data stored on the E-SIM to the POS device.