What are Poké Balls?

Here we are then; another Super Smash Bros. Brawl website update, and today it's detailing our favorite weapon, the Poké Balls.

"When you throw a Poké Ball in Smash, a Pokémon of some sort will appear and come to your aid," says game director and website man Masahiro Sakurai. "They're quite reliable. But you never know which Pokémon is inside a Poké Ball."