They will never make a main entry Pokémon game on Wii U or any other home console. They already explained why (because Pokémon mean Pocket Monster and so the game has to be portable).
However, seing a BRY remake could be nice, and the fact that there's still two games for Gen VI (see what Hoenn said before), that could be a possibility (but we could also get XY sequels for exemple).
If those remakes are made, which is quite possible with the coming of Pokémon Red and Pokémon Green 20th anniversary, however, I wonder what they could add more...
However, seing a BRY remake could be nice, and the fact that there's still two games for Gen VI (see what Hoenn said before), that could be a possibility (but we could also get XY sequels for exemple).
If those remakes are made, which is quite possible with the coming of Pokémon Red and Pokémon Green 20th anniversary, however, I wonder what they could add more...