A few weeks ago, in the company I work for, all old fashioned cellular phones were retired and exchanged to fresh new models running Microsoft s Windows Mobile 2003 edition. Thus I become both curious and motivated, on as to how to write real world code for the Pocket PC considering all the possible pitfalls on the long way from the idea to the finished installer package, which at the end smoothly runs on the physical device. In this article, I will guide you through all the necessary steps required to fulfill this task and will share with you the big picture I learned experimenting with this technology.-A few weeks ago, in the company I work for, all old fashioned cellular phones were retired and exchanged to fresh new models running Microsoft s Windows Mobile 2003 edition. Thus I become both curious and motivated, on as to how to write real world code for the Pocket PC considering all the possible pitfalls on the long way from the idea to the finished installer package, which at the end smoothly runs on the physical device. In this article, I will guide you through all the necessary steps required to fulfill this task and will share with you the big picture I learned experimenting with this technology.