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"We have some interesting things planned," he said. "There will be Kingdom Hearts III news, and various things [at D23], I think. Kingdom Hearts III development is going smoothly, but there will also be new announcements connected to it. As one of those new announcements, I think we should be able to announce a smartphone-specific development for the series in short order."
http://www.ign.com/articles/2015/04/14/kingdom-hearts-3-director-gives-development-update?utm_campaign=ign+main+twitter&utm_source=twitter&utm_medium=social