In the context of Android, "signed" refers to a digital signature required for any app to be installed.
Downloading a involves using a modified version of the original game, usually designed to provide "unlimited gems" or "unlocked features". While these "mods" are popular, they carry significant security risks and potential legal issues. What is a "Signed APK Mod"? Download Big Farmer Town Offline Games Mod Signed apk
Independent reviewers and security blogs consistently warn against downloading modded APKs from third-party sites. In the context of Android, "signed" refers to
: Since modders don't have the original developer's private key, they must "re-sign" the modified file with their own key. In the context of Android