是否可以將現有的Windows Phone 8應用程序更新為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應用程序的商店版本無法在我的開發電話上啟動 [英]The store-version of my Windows Phone 8.1 app does not start on my dev phone