xCloud is a personal cloud App, designed for data-transmission and share between PC and mobile devices. xCloud turns our PC or NAS to be a safe, stable and easy-to-use real personal cloud storage and allows us to access these files anytime and anywhere; its unique auto-switch network technology and powerful reverse-P2P technology make xCloud perform stable, super-fast in data-transmission between mobile devices and PC. xCloud offers us a really private cloud storage space for our information without any third party attending. I just make a brief introduction about xCloud and its working principle, you can learn more about xCloud by visiting its homepage:http://www.xcloud.cc/en/