An iPhone app that denounces "sexually immoral" gay relationships has been pulled after thousands of people signed a petition against it. Apple said the app—created by a Christian group and based on the " Manhattan Declaration" against gay marriage— "violates our developer guidelines by being offensive to large groups of people," ABC News reports. Click here and here to read about two other banned apps: the "Baby Shaker" and the "Jesusizer." (More Apple stories.)