#566 - Starfy's Long Journey

The first Starfy game started being developed in 1995 for the Game Boy. However, in 1998, the game switched to the Game Boy Color and, in 1999, it was moved to the Game Boy Advance. Even though the game was almost finished, it was released in Sept 2002.

SOURCE: http://www.nintendolife.com/news/2009/05/interviews_nintendotose_the_legendary_starfy