Razer has introduced Junglecat ($100), a game controller for iPhone 5/5s. The Junglecat is a sliding keyboard built into an iPhone case — it slides out from under the case with a d-pad, pause button, four action buttons and two bumper buttons. A Junglecat companion app lets users remap the buttons, adjust button pressure sensitivity, and store personalized profiles. The case includes front ports for audio, as well as open access to the iPhone’s…