This document discusses adding mobile tagging capabilities to standard SAP applications by introducing different types of 2D barcodes like QR codes, data matrix codes, and Aztec codes using the Barcode Writer in Pure Postscript (BWIPP). It provides links to resources on how to generate and scan these 2D barcodes in SAP for mobile interactions as well as a demo ABAP report that generates 26 different barcodes using BWIPP.