Most of what I recommend here are simply translations. Get a full list here:
http://www.romhacking.net/?page=translations&platform=9&status=A&languageid=12
Has a patch specifically for copiers:
* Bahamut Lagoon (translation)
I would expect to work on a copier:
Chrono Trigger (re-translation)
Dragon Quest 5 (translation)
* Final Fantasy 4 "Hardtype"
* Final Fantasy 5 (translation)
Final Fantasy 6 (re-translation; reminds me to go finish playing it)
Radical Dreamers (translation)
* Rudra no Hihou (Treasure of the Rudra's)
Secret of Mana (reworked dialogue and VWF font)
** Seiken Densetsu 3 (Secret of Mana sequel; translation)
Super Mario Kart (there are number of track edits)
Super Mario World - Demo World: The Legend Continues (level changes and tons of game engine changes)
Tales of Phantasia (translation)
Treasure Hunter G (translation)
I would not expect to work on a copier:
Star Ocean (translation)
* Yoshi's Island - SMW2+ (level redesign)
I put an asterisk next to my highly ranked recommendations.
PLAY SEIKEN DENSETSU 3 DAMMIT. :laugh: