Xandr renders pdfs better for you mobile device, converting oddly-formatted and two-column documents into something more suitable for reading on the go. The app also helps you to browse the newest articles on arXiv.org, and helps you share tips about your favorite articles with your friends or research group.The arXiv contains a wealth of knowledge about quantum physics, biology, computer science, and many other research topics. If you want to filter through the latest scientific articles and read them on your mobile device, use Xandr to get it done!