ZeroPC is this crazy service that lets you access all the popular cloud services from one place. "All the popular cloud services" is shorthand for Box.net, Dropbox, Evernote, Facebook, Flickr, Google Docs, Instagram, Picasa and SugarSync. Yeah, everything.
The website is insane. They've whipped up an in-browser operating system. Imagine a Linux-based OS in your browser. That's exactly what the website looks like.
However, this is an Android blog, so we should probably focus on the freshly-released Android Tablet (only) app.
The website's operating system layout won't really fly on a tablet, so here the app looks like a file manager.