This is the Western localization. It features English text for the story segments and song lyrics, which is a massive help for understanding the often-abstract narrative. Note that, unlike the Japanese release, the intro movie is slightly altered (credits-wise), but the gameplay is identical.
: The game includes challenging medleys—sequences of popular tracks mixed together—which are widely considered some of the best content in the title. Rush Notes Hatsune Miku - Project DIVA X -PCSE00867- -NTSC-