Go to Settings > Security > Unknown Sources and enable it. This allows the installation of apps from sources other than Google Play.

: Open your file manager, locate the downloaded kof97_perfect_edition.apk , and tap to install.

: Most "Perfect Edition" APKs found on sites like Uptodown or Softonic are designed for Android 9.0 and above.

The "Perfect Edition" typically refers to a modified version (MOD APK) of the classic game tailored for mobile devices. Unlike the standard emulator ports, this version often includes:

Before providing download details, it is crucial to address safety. Searching for APK files on random websites can expose your device to malware, viruses, and intrusive ads.