The ornamental design for robotomorphic audio player, as shown and described.
FIG. 1 is a perspective view of a robotomorphic audio player showing our new design;
FIG. 2 is a front side elevational view thereof;
FIG. 3 is a rear side elevational view thereof;
FIG. 4 is a right side elevational view thereof, the left side elevational view being the same image thereof;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
The broken lines immediately adjacent to the claimed areas in the views represent the boundaries of the design. Other broken lines in the figures illustrate the portions of the design that form no part of the claim. None of the broken lines form part of the claimed design.