you need a roter to steer the hellicopter
you have to go to code breaker code and use the code to catch a mewtwo.
Buy ActionReplay or GameShark, there's a ton of good codes.
By Hellicopter
helicopter
Igor Sikorsky
up down up r2 r2 l1 l1
it is not a cheet just beet all 8 gyms
You will have to get the cheet code for action replay google search fro the code. If you dont have action replay for DS buy it from walmart.
Press the following keys, [ctrl][shift][c]. Then you type in the various cheat code. You can do this whenever in the game.
I passed crypids
YES