1. A system comprising: processing and memory resources, wherein the system is configured to: generate a virtual package including a virtual application image and a faux feature block file to describe mappings to portions of the virtual application image, the faux feature block file including one or more of product boot faux feature blocks, application faux feature blocks, and feature-level faux feature blocks; host the virtual package; and, communicate byte ranges of the virtual package based in part on user input including re-prioritizing byte range downloads.