The wireless that there came to be communication communicated without needing a cooperation system and a communications cable of GBA and GC aimed for sales increase of GameCube of a low-altitude flight, and the emerald projected with Pokemon of a GBA version.
I did it, and elements increased more, too, and "battle frontier" was made in substitution for "battle tower".
By the way, I stand, too.

Pokemon©1995-2004 The Pokemon Comperny,Nintendo/GAME FREAK/Creatures