murrayjames on July 13, 2014
Have you tried 百度知道 ? A search for "gba rom" will have pages of results.
Look for posts with a lot of upvotes, and check anything you download for viruses.
EDIT: This might be what you're looking for:
http://games.tgbus.com/default.aspx?nid=3&
* we'll automatically turn your links into html.