The ornamental design for a mobile phonesupporter for mounting on automotive cup holder, as shown and described.
FIG. 1 is a front, right, top perspective view of a mobile phone supporter for mounting on automotive cup holder, showing my new design;
FIG. 2 is a rear, left, bottom perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
The broken lines shown are included for the purpose of illustrating portions of the mobile phone supporter for mounting on automotive cup holder, the broken lines form no part of the claimed design.