Not quite on the level of “by William Shakespeare, with additional dialogue by Sam Wood” and she did change Prospero to Prospera.

H/t Screencrave

Though Shakespeare’s final great play, “The Tempest,” has been the inspiration for an awful lot of films in several different genres, it seem clear that, whatever is the case, this will be the most straightforward movie version so far, sex change in the lead character notwithstanding.