Kagerow on 10 September 2015
While I do dislike their Youtube policy, and emulators are definitely legal...
Modifying copyrighted program (Though, depending on Terms of Service...) without explicit permission is generally considered illegal.
And for anyone saying 'Free advertisement for Nintendo's older titles', that... Isn't actually anyway beneficial in marketing term. Especially if it is in the form of version that is difficult to be legally obtained, and always purchased used.
