The Chrome App Launcher is available for Windows and Chrome OS on the Chrome Developer Channel. The launcher provides an easy way to find and launch your Chrome Apps. Chrome Apps now bring the best of productivity, games and more to your desktop. To get the launcher, just install a Chrome App from the Chrome Web Store, such as this text editor or note-taking app. Chrome Packaged Apps for the Mac are available in the dev channel of Chrome and will be launched to stable channel soon.”]
Source: https://blog.chromium.org/2013/09/chrome-app-launcher-developer-preview.html