Yes, you can download Polaris Office 4.0 for Android finally. And it is available free for Samsung Galaxy S III users. Polaris Office 4.0 should come along with Samsung Galaxy S3 by default but we got Polaris Office Viewer 4.0 only. Anyway, we can all enjoy full version of Polaris Office 4.0 from now on. Editing Microsoft Word, Excel, PowerPoint and PDF documents should be easier now. Besides, Polaris Office 4.0 provides various cloud service connections like Google Docs, Dropbox and Box.net. Therefore, Polaris Office 4.0 is your truly mobile office…