Today Microsoft has confirmed the existence Windows App Store for Windows 8. Today Steven Sinofsky has mentioned some of many teams building Windows 8, including App Store group in his blog post on official Building Windows or B8 blog post.

“Many of the teams listed below describe features or areas that you are familiar with or that you can probably figure out based on the name,” said Steven Sinofsky, President, Windows and Windows Live division.

However Microsoft hasn’t confirmed such feature, but it is a HINT and explains a lot itself. Here is the list of teams building Windows 8:

• App Compatibility and Device Compatibility
• App Store
• Applications and Media Experience
• App Experience
• Core Experience Evolved
• Device Connectivity
• Devices & Networking Experience
• Ecosystem Fundamentals
• Engineer Desktop
• Engineering System
• Enterprise Networking
• Global Experience
• Graphics Platform
• Hardware Developer Experience
• Human Interaction Platform
• Hyper-V
• Internet Explorer
• In Control of Your PC
• Kernel Platform
• Licensing and Deployment
• Media Platform
• Networking Core
• Performance
• Presentation and Composition
• Reliability, Security, and Privacy
• Runtime Experience
• Search, View, and Command
• Security & Identity
• Storage & Files Systems
• Sustained Engineering
• Telemetry
• User-Centered Experience
• Windows Live
• Windows Online
• Windows Update
• Wireless and Networking services
• XAML