Big Yoshi
Nintendo 3DS Legend
Towns Folk
It was expected they will release it someday. It's cool they finnaly announced it, but the coolest thing is that there is a way to catch Celebi (it said "Encounter the Mythical Pokemon Celebi"). There was a way to catch it, but it was very limited, and today the only 2 ways to Encounter it on the Game Boy Color are cheating or glitching. If you didn't play a second generation main game before, pick it up. The best generation in my opinion.
Trailer:
Trailer: