2 Design and layout of the device(6)(3)(2)(4)(5)(1)Figure1: Front view – Example 7´´ Android variant(1)Touch-sensitive user interface(2)Microphone(3)Brightness sensor(4)Socket for mini USB 2.0(5)Reset buttonRfor rebooting device(6)Speaker(3)(4)(5)(7)(9)(5)(10)Figure 2: Rear/Side view – Android device variantsz4