"There is no Rufus for Android. If you see a website offering an APK, it’s a scam. Rufus runs exclusively on Windows (and possibly on Linux with Wine, but not on mobile)." — Pete Batard, creator of Rufus.
or "Rufus - Bootable USB" are available but are not affiliated with the original creator. Security Risk: rufus android version
If you search for "Rufus" on the Google Play Store, you will likely find "There is no Rufus for Android