[Pro Question] Install pkg file using Webman

Hello! I'm not so new to Hen and Webman but I ran into an issue:
I managed to transfer through FTP a game image based on my legally acquired GTA IV :



I found myself with the file UP1017-NPUB30702_00-GTAIVDIGITAL0001_bg_2_9b064f933b0ec5abb7fea40a8daf7814c46ef332.pkg in my PS3 (/dev_hdd0/packages/)

The PS3 seems to see them correctly because if I go to "Install PKG files --> Install from PS3 storage" (sorry, I have the...

[Pro Question] Install pkg file using Webman