The official source for all versions, including legacy releases like 2.7.1, is the MixEmergency Download Page .
From my search, is not a widely recognized or commonly documented legitimate software title from a major developer. Names like this are sometimes used for: Mixemergency 2.7.1 Download
: The ability to use GIFs for both main decks and image overlays, adding a versatile layer of visual flair. The official source for all versions, including legacy