是否可以将现有的Windows Phone 8应用程序更新为Windows Phone Store 8.1 [英]Is it possible to update an existing Windows Phone 8 app to Windows Phone Store 8.1
Windows Phone 8.1应用程序的商店版本无法在我的开发电话上启动 [英]The store-version of my Windows Phone 8.1 app does not start on my dev phone