Techaccess Pakistan Amin Ul Hafeez, Chief Operating Officer; Farrukh Alvi, VP Infrastructure and Amir Rauf Khan, VP Sales and Marketing are seen during the Mobile World Congress 2012. The annual event, hosted by Aircom, BlackBerry, IBM, IMGA, Nokia, Oracle, Samsung, SAP 360, WIP, was held last week at Barcelona where over 12,500 app developers participated.