Yes

Well U should just wait and give it a little so that way u no your ready :) hope it help u make your choice

Both

On the menu, you go to 3DS Sound, (the blue music note) and tap record sounds. Lot's of speech bubbles will appear on screen. Tap one, and hit the red button. It will start recording. You can also start recording by making a sound. Tap OK, and then you can edit your sound.

You cannot get small, You have to turn into a bat in the bonus quest. I know in the poptropica shop you can get a thing that can makes you shrink, but it still doesn't work. Try it if you don't believe me.