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Ok, guys, let me introduce the PKG Kitchen - the toolset for the easy creation of PS4 packages.

First sorry for my ugly English. I hope you understand me ;)

Toolset does not use flat_z method to assume gp4 package structure and (probably) has a issues, but it allows you to create more or less working packages and use it as a base for experiments.

Related Files:
Brief Instructions:

0) Extract Fake PKG Generator into the tools folder;
1) Clean the kitchen environment (run _clean.bat);
2) Turn on the console;
3) Insert disc, make sure it is fully installed/copied (skip for PSN title);
4) Run the ps4-ftp-vtx payload, connect into the ps4 by FTP client;
5) Minimize (PS Button), but do not close the WWW Browser;
6) Run your game, make sure to get main menu, minimize game (PS Button);
7) Copy files:
Code:
   a) /mnt/sandbox/pfsmnt/CUSAxxxxx-app0-nest/pfs_image.dat --> dump\pfs
      (please note your Title ID - CUSAxxxxx)
   b) /user/app/CUSAxxxxx/app.pkg --> dump\pkg
   c) /mnt/sandbox/pfsmnt/CUSAxxxxx-app0/eboot.bin    --> dump\app
      /mnt/sandbox/pfsmnt/CUSAxxxxx-app0/sce_module/* --> dump\app\sce_module\*
      /mnt/sandbox/pfsmnt/CUSAxxxxx-app0/???          --> dump\app\???
      (??? is other prx modules, if any, depends on title)
   d) /system_data/priv/appmeta/CUSAxxxxx/*           --> dump\appmeta
8) Restart your console, remove disc, uninstall the game (for further testing);
9) Run the _extract_pkg.bat script. You should get the 'Image extract succeeded' message;
10) Run the tools\ArchiveExplorer.exe, open pfs_image.dat in dump\pfs dir,
select all files, and extract selected files into the app folder.
Wait until the end of the process (this can take a long time)!
11) Copy (overwrite) dump\app\* files into the app folder
(take care of the 7-c-??? files paths too)
12) Copy (overwrite) dump\appmeta\* files into the app\sce_sys folder;
13) Run the _gen_gp4.bat script. You should get the 'Done.' message and
CUSAxxxxx.gp4 project file;
14) Open CUSAxxxxx.gp4 in Fake PKG Generator and build your .pkg project;
15) Run PS4HEN payload, install and test your .pkg;
16) Profit.

Paths (for reference):
Code:
/user/app/CUSAxxxxx/app.pkg                  --FTP--> dump\pkg

/mnt/sandbox/pfsmnt/CUSAxxxxx-app0-nest/pfs_image.dat --FTP--> dump\pfs            --A_E--> app

/mnt/sandbox/pfsmnt/CUSAxxxxx-app0/eboot.bin         --FTP--> dump\app            --CPY--> app
/mnt/sandbox/pfsmnt/CUSAxxxxx-app0/sce_module/*       --FTP--> dump\app\sce_module --CPY--> app\sce_module
/mnt/sandbox/pfsmnt/CUSAxxxxx-app0/???                --FTP--> dump\app\???        --CPY--> app\???

/system_data/priv/appmeta/CUSAxxxxx/*             --FTP--> dump\appmeta\*      --CPY--> app\sce_sys\*
PKG Kitchen - PS4 Guides, Tools and Scripts for Fake PKG Creation.jpg
 

Comments

gengp4 is not needed for handwork pkg

Quote from original OP's:
"...use it as a base for experiments..." that means for me to use and learn. But how to learn if the source is closed from the other people?

Something is missing from my PKG, but I don't know what is that. I learned a lot from Python sources and C sources (from GIT).....

But OK, I left the page and learn somewhere, where the people want to teach other people....
 

CUSA00004.jpg

I created the sfo by hand, from the official patch!
I create only one chunk (default is 0), because the original pfs_image and the original PKG is missing.
In the sfo's app settings the "User management" turned off.
Copied the "user defined parameters" from the Patch's sfo!
Every missing file (icon0, disk0, snd0, pronunciation, etc.) copied from the original patch.
First I add the eboot.bin, *.prx, right.sprx to the package.
No trophy file added, because it is missing from the patch too.
Every ELF file is SELF (with make_self.py)!

The final package is about 22Gb!
 
@DomyGX I checked the PKG files in this site, but I cant find the passcode of the PKG's! Thus I cant extract and check the files.

If I try with 00000000000000's, passcode mismatch error......
 
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