With so many Android tablets getting released day-in, day-out, we really couldn’t blame HP for coming out with the HP Slate 21 . Why so, well that’s because, this baby is an All-In-One dekstop which surprisingly runs on Android 4.2 OS. Yes, you read it correctly, it’s not your regular desktop OS, but an OS built for mobile devices. So, with the HP Slate 21, you’ll be able to enjoy TV streaming and using Android apps as well. Among other things that an AIO desktop and a mobile tablet can do. With that, HP is gearing this new machine for family activities with easy access to entertainment and productivity. Plus of course, as mentioned the gazillion of Android apps available from Google Play app store. Additionally, you’ll also be able to enjoy, familiar Google mobile apps such as calendar, email, notes and documents courtesy of the built-in apps installed on the HP Slate 21. Additionally, the HP Slate 21 will also let you print wirelessly, organize content and connect to other devices in your home. The HP Slate 21 has a full 21-inch HD touchscreen display, high-quality graphics and great sound quality. It is loaded wtih Tegra 4 quad-core NVIDIA processor for better performance. Sounds interesting? The HP Slate 21 is scheduled for release in the U.S. in September. It will set you back for $399.