How do I make Pokemon games different?

How do you change the landscape and text and stuff for pokemon games cuz i have a really good idea for a pokemon game but i need a base to start from. (i dont mean anything about cheats cuz i'ved tryed gameshark, codebraker and that but they dont have nothin like that) IF YOU HELP ME I WILL MAKE SURE THAT YOU ARE THE FIRST PERSON TO GET THE HACKED GAME. I PROMISE, ON MY MOTHERS GRAVE(I LOVE MY MOM VERY MUCH) THAT IT WILL NOT HAVE ANY VIRUSES ON IT. THANK YOU VERY MUCH.How do I make Pokemon games different?
I may not know how to make a pokemon game but there's some hacking tools at pokeplay, I'll give you the urls



GBA (Game Boy Advacne)



http://www.pokeyplay.com/descargas_tools鈥?/a>

language=en



GBC (Game Boy Color)



http://www.pokeyplay.com/descargas_tools鈥?/a>



They have cool hacks to edit the game, if you edited please tell me how.