Agree with Mitesh Khatri,
An Anywhere device is a tool in which a real device is connected, and the user can remotely connect to the device and perform all the actions, like on a real device, install the application and test.
However, there are limitations. Go through their website and blog. Below are the links
The link to the site has already been provided by Miteh.
http://deviceanywhere.typepad.com/
http://www.youtube.com/user/DeviceAnywhere
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