The present disclosure focusses to simplifying the user's ability to make payments, accumulate rewards, or authentication by including information relating to multiple cards, and allowing the user to conveniently select a card among the multiple cards by operation of a user input unit, and to use various payment methods. The method includes performing predictive analysis/ early detection of discounts, promotion. Further, sorts and displays the Card Program Promotion Advertisement (CPPA) that may match the card of the user to obtain the offers. Also, identifies the user area of interest based on the time that he/she may spend in front of each and every shelf of the showroom. Further, providing auto gateless checkout experience to the user by which the user can experience cardless transactions. Finally, providing shopping guidance to the user by understanding the list or registry that may be prepared by user which is available at the showroom application.

Creative Commons License

Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 License.