...Then extract file and move My-PDFViewer-Reader.app in your Applications folder of your Mac. Finally open application with double click and open pdf file using drag & drop function or open with toolbar button
==Note==
AcroForm/XFA is not supported
pReader is an eBook Reader for WebOS (Palm Pre/Pixi and HP TouchPad) that is currently supporting plain-text, PalmDOC ePub, and various other eBook formats (without DRM). It is written entirely in JavaScript and reads the files directly from the media partition.
A beta version that uses a native C++ backend is also available.