Computer Application Software for mobile phones, portable media players, handheld computers, smart phones that include barcode readers, magnetic stripe readers, and RFID readers, namely, software in the field of use in retail point-of-sale to process standard sales transactions from item search, add items to orders, edit item quantity or prices, to assign item level and/or order level discounts, generate electronic coupons, and provide inventory management; computer application software in the field of use of customer relationship management to perform customer search, add customers to database and maintain customer records, create and edit mailing lists, generate personal offers, process applicant credit applications, verify payment transactions, accept payment methods, namely, gift cards, credit cards, debit cards, capture customer's signature digitally, and store, print, email, and text receipts to customer, and capture image of customer during transaction and store with transaction information