The remasters feature updated graphics, a pixel filter option, and adjustable difficulty levels to make the experience more accessible for new players.
Since you asked for a "paper," I've put together a summary of the technical specifications, content, and reception of this series below. File: Klonoa.Phantasy.Reverie.Series.zip ...
Klonoa Phantasy Reverie Series: Demo Review - The Duck of Indeed The remasters feature updated graphics, a pixel filter
(originally on PlayStation, 1997).