While the magazine does not directly state that this game is a port of the smartphone game Tales of the World: Tactics Union, it does feature the same world and characters. Lloyd from Tales of Symphonia, Asbel from Tales of Graces f, Meredy from Tales of Eternia, Jade from Tales of the Abyss, Natalia also from Tales of the Abyss, and Yuri from Tales of Vesperia will make appearances in the game.
Tales of Xillia 2 character designer Daigo Okumura created two new characters Terun, a timid person with green hair, and Nahato who has a big brother like personality. Tales Of The World: Reve Unitia’s main story will have full voice acting.
Not much info other than it exists for now... I'll update further when more info comes out... otherwise... it's sad to see something like this not going to the Vita...