From June 4th to June 21st, if you visit the Paris Pokémon Center, you can download a Vivillion with a unique Pokéball inspired pattern. For those not in the loop, Vivillions are special because the pattern they have depend on the geographical location your 3DS is set to, with 18 patterns available. Because of this, a sect of Vivillion collectors have sprung up, trying to collect all of the patterns. So, now there will be a new pattern to collect!
For those interested in the event Pokémon’s stats, it will come at level 12 and have the moves Stun Spore, Gust, Light Screen, and Struggle Bug.
For the time being, this event – and Pokémon – is exclusive to the Paris Pokémon Center. If you want this special Vivillion, you’re going to have to trade for it or hope for an international distribution in the future!