Easter will come a bit early to dedicated players of the hit iPhone and iPod app Doodle Jump with a free update that allows players to unlock a "secret" Easter theme and play as a character from the forthcoming comedy movie Hop, scheduled to open on April 1st. This is the first time that a mobile game has featured a film crossover tie-in. Hop is produced by Chris Meledandri (Despicable Me) and features live-action as well as computer animation. The film stars James Marsden (X-Men, Hairspray) and Russell Brand (Get Him to the Greek) and is directed by Tim Hill (Alvin a