Win8.1 App Store Upgrade Developers can submit apps

        Author: Zhang
Microsoft App Developer blog announced a preview version of the development application Win8.1 will not appear in the Windows Store, these applications need to be upgraded before release applies to Win8.1 appear in the Windows Store.
Windows 8.1 Metro interface
The launch of Win8.1 GA also means that application developers can finally develop applications that are fully compatible with Microsoft's latest Win8.1.
Existing applications in the Windows Store can be upgraded with the new features of Win8.1.
The Windows Store app package for Win8.1 has now risen to 8GB, and the Windows Store uses a new interface that helps users find the applications they need faster and more efficiently.
The Bing search engine can recommend new applications to users, which are automatically updated for the first time.