There isn't a way to make it hatch fast, but the best way is to put the egg first in your party. It doesn't walk with you, the Pokemon who you put 2nd in the party will but it's a pretty fast way to hatch an egg though.
Chat with our AI personalities
Put them in your party with Slugma/Marcargo, this pokemon's body heat will warm the egg and make it hatch faster.
You Can Not But Heart Gold And Soul Silver You Can.....
unfortuanatlly not
use the move flash
All right all the pokeballs Kurt can make are: Fast ball, level ball, friend ball, heavy ball, lure ball, love ball, moon ball.