While Child of Light will also be downloadable on Xbox Live and Nintendo's eShop, the press release suggests that the physical deluxe edition is only available for PC, PS3, and PS4. Importantly, the PS3 and PS4 versions in both retail and digital format will come with a cross-buy option; players buying Child of Light will be able to play on both platforms at no additional cost.
There are no details on whether this deluxe edition, or any variations of it, will be available to other territories; we'll keep you posted.
Child of Light was put together by a small team at Ubisoft, many of whom are former Far Cry 3 developers. It's scheduled for release on April 30, and will cost UK£12 / US$15.