There seems to be no differenes between this fork and the original chromatic provides. If you look at the modern perl website you'll see that it's already available in the formats you require, with other formats in the pipeline.

"any help ? Tutorial? Or some words that will guide me how to understand this PseudoPod"

The documentation for Pod::PseudoPod suggests reading Pod::PseudoPod::Tutorial.

Update: fixed typo.