Reshared post from +Jason Mayes
Adobe released a cool tool that allows you to install a chome extension and sync the page you are looking at with mobile devices on your network – great for debugging web apps to see if it is being rendered correctly on mobile devices
If you prefer to watch a video, see this link for video
Adobe Shadow | preview mobile web – Adobe Labs
A new inspection and preview tool that allows front-end web developers and designers to work faster and more efficiently by streamlining the previews and customization of websites for mobile devices.