This big mobile title from Square Enix originally released on the PS Vita and iOS/Android in Japan but when the game was localized to the west, only the iOS/Android version came over. Many people shared their desire & want for the title on Vita from online petitions and the @VoteVita movement on Twitter earlier this year.
Apparently, this worked, with the game rated on the Vita, noted by Wario64 on Twitter:

This was followed up shortly after with him noting the game already being released on the EU PSN Store front:

This is a big surprise, likely something Square Enix wanted to announce tonight or tomorrow before the game went live. We will share gameplay on the Vita version on the site once some footage is released online.