Simplify the following text for a Grade 6 native English-speaking person.
Original: Kingdom Hearts : Chain of Memories is an action role-playing game developed by Square Enix and Japanese studio Jupiter and published by Square Enix in 2004 for the Game Boy Advance .
Simplified: Kingdom Hearts : Chain of Memories is the second game in the Kingdom Hearts series , and was released in Japan on November 11 , 2004 and in North America on December 7 , 2004 . It was made for the Game Boy Advance .