Google has announce that they will be including a Chrome app launcher with future version of their Chrome browser. The new Chrome app launcher will provide the same experience as the app launcher on Chromebooks, but for other platforms.
The new Chrome App Launcher is already available on Windows says Google, and will be arriving on Mac OS X and Linux very soon. Google explains how to install the new Chrome App Launcher:
For more information on the new Chrome App Launcher jump over to the Chromium Blog for details.
Source : Google