Google today announced a Google Documents viewer of mobile version for Android, iPhone and iPad to help you view PDFs, .ppt, .doc and .docx files you have uploaded to your Google Docs documents list, without needing to download the file. With Google Document mobile viewer you can switch quickly between pages and pan/zoom within a page. You can try it out by going to docs.google.com on your Android-powered device, and select any document in these formats that you’ve previously uploaded.