Package Installer is a free Android app developed by Darksoftware LLC that makes it easy and convenient to install package files directly via FTP/Store with no need for a PC or USB connection. The app requires a few simple initial steps to set up, including running HEN and downloading and installing the Store Package via PC and USB. Once the Store app is open and at the main menu, users can use the Package Installer app to install package files.

The app's interface is straightforward and user-friendly, making it easy for even novice users to install package files on their Android devices. However, it's worth noting that the app requires the Store app to be open and at the main menu for it to work, so users must ensure that they have completed the necessary initial steps before attempting to use the Package Installer app. Overall, Package Installer is a convenient and useful tool for anyone who frequently installs package files on their Android device.