Hasbro plans to introduce its new My3D accessory for the iPhone and iPod touch tomorrow, according to an Associated Press report. The My3D is a new accessory that attaches to the iPhone or iPod touch and allows users to view 3D content. Users will slide their device into a slot in the My 3D, which resembles a pair of binoculars, and will view the device’s screen through the two eyepieces. According to the report, Apple helped guide the development…