Only download from reputable communities (e.g., the Emulation subreddit’s wiki) and always scan the file with VirusTotal before installing. Avoid sites with excessive “Download” buttons or survey requirements.
There is a popular fan-made "Ultimate Mortal Kombat Trilogy" patch for the Sega Genesis version of Ultimate Mortal Kombat 3 . You can play this using a Genesis emulator like MD.emu . 2. Fan Remakes & Projects Mortal Kombat Trilogy Apk Android