Default WordPress ‘Preview’ option simply allows you to preview post in your screen but now you can add a simple cool feature and preview posts on mobile and tablets view.
Responsive Post Preview is the new WordPress plugin that simply adds mobile and tablet preview feature in your WordPress site.
How To Use Responsive Post Preview Plugin?
Install and activate Responsive Post Preview plugin in your WordPress site. Upon activation the plugin adds new mobile and tablet preview button in publish metabox present in WordPress add new & edit content pages.