You will have the rights to redefine all PokeMarts in GBA Pokemon games with Advance Mart.
Type: Item and Market Editing
Compatible with: Pokemon Ruby, Sapphire, Emerald, FireRed, LeafGreen
Supported OS: Windows
Advance Text will help you get out of that case because it is the current most-used text editing program for any GBA Pokemon game.
Advance Trainer is a tool that you can edit every wild trainers you meet in your favorite Pokemon game.