While the game is being used, you may like to fix some bugs as well as introduce new features. However, you may not want to create a new separate application in the Windows Phone Store, but just replace the current one. Thus, the users can easily update it.

A process of updating the submission also uses the Windows Phone Dev Center. Here, you need to click on the Apps option on the left, which opens the page with the data of your applications. After choosing a suitable one for editing, you can click on the Update app hyperlink. Here, you choose the Upload and describe your XAP(s) option and click on the Replace link located next to the information about the previously uploaded .xap file. When the new version is sent, you can update the version number and some additional details, as well. At the end, you just click on the Save button, confirm modifications, and submit the form.