PS3 pkg game does not install

[talkps3]

on my evilnat 4.91 ps3 I inserted a usb with a .pkg file ps3 game and installed it.
the game did not appear on the games tab after the reset.
I got the game "house of the dead" from romsfun

 

[talkps3]

nevermind I figured it out. I had to put my .rap file in a separate folder