Mobile Electronic Device

FIG. 1 is a front perspective view of a mobile electronic device showing our new design; FIG. 2 is a front view thereof; FIG. 3 is a rear view thereof; FIG. 4 is a left-side view thereof; FIG. 5 is a right-side view thereof; FIG. 6 is a top view thereof; FIG. 7 is a bottom view thereof; and, FIG. 8 is a rear perspective view thereof. The dot-dash broken lines in the figures represent a boundary of the claimed design and form no part of the claimed design. The even-dash broken lines in the figures depict portions of the mobile electronic device and form no part of the claimed design.