: After importing the RAP, the game should launch without "trial" limitations.

In short:

A (Rif Activation Protocol) file is the digital license key. On a stock PS3, when you buy a game, the console downloads a license internally. On a CFW PS3, the RAP file acts as a "fake" license that tells the console you own the game. Without the RAP file, the PKG will install, but the game will either throw an "80010017" error (licensing failure) or ask you to activate the console.

Here is the essential content regarding (usually the BCUS98129 or BCES00552 version) and the PKG + RAP files used for PlayStation 3 (PS3) jailbroken or CFW (Custom Firmware) systems.

PKG and RAP files are used by the PlayStation 3 to manage game data and licenses. Here's a brief overview: