The project is a protocol project.
When installed, you get in you browser a new protocol "ms-its:" (perhaps you have already seen it when using Microsoft stuff).
This pseudo protocol is used by Microsoft to read its InfoTech Storage file, mainly winhelp files (extension chm), but also cabinet file (extension cab) and reader file (extension lit).
There are many restrictions in version 0.1:
The 0.1 is a concatenation of extracts from existing protocols in combination with the work made by Matthew T. Russotto on chm file.
It's really quick and completely dirty, but runs quite fine (even better than other software which manages help).