You're browsing the GameFAQs Message Boards as a guest. Sign Up for free (or Log In if you already have an account) to be able to post messages, change how messages are displayed, and view media in posts.
You don't need a a gameshark. Mew can be captured through the safe glitch described in the sticky. Safe as in it does not mess up your game. In fact, two Mews can be obtained. All is found in the sticky, you should look there.