A mounting device for housing a smart device having a user interface comprises a horizontal armature, a screen housing, and a mounting bracket. The mounting device is configured for attachment to a display unit having a plurality of posts. The horizontal armature includes coupling mechanisms disposed at each end thereof, wherein each coupling mechanism is configured to be removably coupled to one of the posts. The screen housing has a hollow interior configured to receive the smart device therein, wherein the screen housing includes at least one aperture for providing visual and tactile access to desired portions of the smart device. The mounting bracket is securely coupled to the screen housing and includes at least one projection extending therefrom and configured to be received in a corresponding opening formed in the horizontal armature to couple the screen housing to the horizontal armature.