WIFI Key Recovery ROOT, developed by Vorsk, is a free utility and tool app available for Android devices. It requires root access to operate and allows users to quickly find and share their WIFI keys. This app is not a hacking tool and will not provide passwords for networks you haven't connected to.

With WIFI Key Recovery ROOT, you can easily share a wireless network key with friends by sending it via a message or QR code. In addition, the app allows users to backup and restore their current WIFI configuration to their SD card.

Although some users have reported issues with getting keys from the Samsung GS3/GS4, the developer is currently investigating the issue. If the app doesn't work on your rooted phone, you can email the developer to request support.

Overall, WIFI Key Recovery ROOT is a useful app for those who need to quickly share their WIFI keys with others and want to backup their current WIFI configuration.