1Make and bake cake mix as directed on box for 13x9-inch pan, using water, oil and eggs. Cool. Line cookie sheet with waxed paper. Crumble cake into large bowl. Add frosting; mix well. Shape into 1 1/4-inch balls; flatten tops slightly. Place on cookie sheet. Freeze until firm; keep refrigerated.
2In microwavable bowl, microwave orange candy melts and shortening uncovered on Medium (50%) 1 minute, then in 15-second intervals, until melted; stir until smooth. Dip tip of 1 lollipop stick about 1/2 inch into melted candy and insert stick into rounded bottom of 1 cake ball no more than halfway. Repeat. Return to cookie sheet. Refrigerate 5 minutes. Remove from refrigerator a few at a time. Dip cake balls in melted orange candy; tap off excess. Poke opposite end of stick into foam block. Immediately attach licorice to look like handle, holding in place until set. Let stand until coating is set.
3Spoon melted black candy into resealable food-storage plastic bag; seal bag. Cut off tiny corner of bag; squeeze bag to pipe jack-o’-lantern face onto each cake pop. Use melted orange candy to attach candies to tops of pops.