In unofficial scenes, “extra quality” usually refers to created for jailbroken PS4 consoles (firmware 9.00 or lower, currently). These might include:
For the average consumer, the legitimate equivalent of this search query is the PlayStation Store and the PlayStation Plus Extra tier. Sony’s subscription service now offers a vast library of "Game Catalog" titles that can be downloaded directly. While these are encrypted and tied to a subscription rather than being open PKG files, they offer the "extra quality" and "download" convenience without the legal or security risks. Furthermore, with the rise of the PlayStation Portal and Remote Play, PS4 games have become truly portable, streaming from the console to a handheld device, achieving the goal of portability within a secure, authorized ecosystem. pkg ps4 games extra quality download portable