Nintendo posted a press release on the official Super Pokémon Scramble (スーパーポケモンスクランブル) website on July 25th, 2011 which indicated that the game had been delayed from its original release date of July 28th, 2011 until
August 11th, 2011. There was no official reason given for the delay of the game in the press release and it just contained an apology for the delay. In the days before the press release, Japan experienced two 6.0+ magnitude earthquakes and a typhoon and the country was still recovering from the
Sendai earthquake and tsunami. Below is the press release.
A page has been created on our site for the game as well as
a passwords page that keeps track of the passwords as they are announced.
Source:
http://www.nintendo.co.jp/3ds/accj/info/index.html