Source: http://gizmodo.com/parallels-access-remotely-access-your-computer-from-yo-1210699642
Parallels Access turns your iPad into a porthole to your more powerful (and heavier) Windows or Mac computers somewhere else. Connecting the your iPad to your remote machine through the cloud is the (relatively) easy part. The real magic is how Parallels Access elegantly shrinks your desktop applications into manageable tablet apps.