Portable Import is meant to be used from a Portable Device like a USB Device or a U3 Device or a CD/DVD. It allows you to import Virtual Archives into SVS.
It can import several layers at a time.
There is also no installer included, it will run standalone.
Just copy this tool in the same folder where your VSA files reside.
Pick what you want to import and click Import.
Download it here.
Have Fun With It, FrankB