It was released as a download-only title on April 17, 2009 for the iOS and on December 28, 2009 for the Nintendo DSi via the DSiWare service.
On July 6, 2009, Nintendo announced that Electroplankton would be re-released in Japan, as part of the DSiWare service exclusive to the Nintendo DSi system.
A Multi-player addition to the Game Boy Advance port The Legend of Zelda: A Link to the Past & Four Swords in 2002 and later released as a standalone title for the DSiware service in 2011 as The Legend of Zelda: Four Swords Anniversary Edition
My Notebook Green is an application that is downloadable for 200 Nintendo Points on the Nintendo DSi Shop.