The app’s launch screen prompts you for your sharpie.com login info and remembers it for future uses.
Select images from your phone’s photo roll or from sharpie.com to create a gallery or add to an existing one.
Click any image from a gallery you see on the street to see details. You can rate the image, comment on it, tweet it, or share it on facebook.
Images added with the mobile app can be viewed on the site. The map view lets you see the where galleries are popping up. You can check out the creations and galleries that have already been created or add your own.
Images added through the desktop version can also be viewed at the physical location with the mobile app.