The phrase "premium account" is a crucial bait. Legitimate versions of these games might offer a paid tier for extra content or an ad-free experience. However, hackers exploit this desire for premium access by offering as a free download. These are often what people are searching for when they look for a "premium account."
However, legitimate subscription services (like the one hosting MNF games) have basic security measures. For a "user-added" account to work, it would require the original paying user to upload their login details without changing their password. While this does happen occasionally on paste sites like Pastebin, the lifespan of such an account is measured in minutes—not hours. Meet N Fuck Games Premium Account - Added By Users - Google
: This official feature allows you to track your own progress, achievements, and stats securely across devices. The phrase "premium account" is a crucial bait