Since @flatz shared on Twitter his awesome PS4 Fake PKGs & SELF / FSELF Write-up, and following the PS4 SELF_Info.exe release and recent 4.05 Experiments PlayStation 4 developer IDC made available some PS4 4.05 patches and hooks on Github to enable FSELF / FPKG loading with ShellCore patches (for fake PKG support) implementation yet to come.
Download:
ps4-fake-405-master.zip /
GIT