Complex sentence: The game was scheduled to be released the next year, and was no longer a follow-up to "The Wind Waker"; a true sequel to it was released for the Nintendo DS in 2007, in the form of'.
Split into simpler sentences: The game was scheduled to be released in 2005 and was no longer a sequel to "The Wind Waker". A sequel to "The Wind Waker" was released for the Nintendo DS in 2007, in the form of'.