A simulator for displaying the flip-dot frame buffer
Go to chrome://flags.
Find "Experimental Extension APIs", and click its "Enable" link.
Restart Chrome.
To load your app, bring up the apps and extensions management page by clicking the settings icon and choosing Tools > Extensions.
Make sure the Developer mode checkbox has been selected.
Click the Load unpacked extension button, navigate to your app's folder and click OK.
Once you've loaded your app, open a New Tab page and click on your new app icon.