Simplify the following text for a Grade 7 native English-speaking person.
Original: Yoshi 's Island DS was announced at E3 2006 under the name Yoshi 's Island 2 , originally featuring only baby versions of Mario , Peach , and DK .
Simplified: Yoshi 's Island DS ( called Yoshi 's Island DS in Japan ) is a platform video game made by Artoon , and published by Nintendo for the Nintendo DS . It is an update to Super Mario World 2 : Yoshi 's Island .