Before use these apps, your devices should run CFW first. PKG is a small app that run under CFW. PKG contains everything you want to play in your console. In fact , it comes from mac apps named NpPayStation that is to spent time to download and organise the contents
*Please read "ReadMeFirst (STEP 1 )" if your device doesn't have CFW"
* If your device runs under CFW, follow this link https://www.cfwaifu.com/pkgj/