I've installed .PKG files from FTP to /dev_hdd0/packages having trouble with .rap files

Hi everyone, I'm still new to all of this PS3hen stuff and while I have had mixed results I am still experiencing some issues that I cannot solve. I have loaded PS3hen onto my SuperSlim, I am updated to PS3hen.3.0.1 and have Multiman_PS3hen and have connected via FTP and transferred my .pkg files (Dragon Age and Grand Theft Auto: Vice City) from my PC to the PS3's internal storage (/dev_hdd0/packages). From here I have easily installed them via the package manager but I'm unsure how/where to...

I've installed .PKG files from FTP to /dev_hdd0/packages having trouble with .rap files