Apple continued to lower its standards for acceptable App Store content this week with the approval of two new applications, one designed to simulate violent, life-threatening acts on an infant. The object of Baby Shaker from Sikalosoft is to stop the crying of a baby pictured on screen by shaking the iPhone or iPod touch, until the crying stops and two red “x” marks appear over its eyes. Jennipher Dickens, whose son Christopher was injured…