: It can only install official "Retail PKGs" (games or updates from the PS Store). It cannot install pirated "Fake PKGs" (FPKGs) because those still require a jailbroken environment (like GoldHEN or Mira) to run.
Certain community methods involve using a specific system backup that contains a pre-installed "Auto Package Installer" app. Once restored, this app can automatically detect and install packages from a correctly formatted USB drive (labeled "CQA") without requiring manual navigation through debug settings. auto package installer ps4 exclusive
Thus, even the best tools are semi-automated. The "exclusive" version would need to rewrite core system services—which no public developer has done (nor would they risk legal exposure). : It can only install official "Retail PKGs"