What are the *.qpr package ?
QNX software packages, kind of like the QNX version of a Redhat RPM. Just a nice way of distrbuting apps for QNX.
How I can open this package ?
there is a qnx faq link at the left side of your sreen. click it and go to applications. you will find the answer in the bottom middle of the page.
Everything is a tar-gzballs, the QPR and the QPKs within it.