Just like pokemon soul silver/heart gold.
Basically it is impossible to say. There is zero confirmation of any remakes AT ALL yet, let alone what features they may or may not have. There are a million things they could do!
I doubt that they will if they were going to do it they would probably given a pokewalker with B/W. I do belive however that they will make a hoenn remake becuase they have been goin in a pattern and hoenn is next but they probably have something unique planned something BIG!
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