Handheld apparatus mount fixture for child restraint tray

A tray comprising

• an item-storage platform formed to include a first handheld receiver slot sized to receive a narrow first end edge of a handheld apparatus and a second handheld receiver slot arranged to communicate with the first handheld receiver slot and sized to receive a relatively longer first side edge of the handheld apparatus and
• a handheld clamp mounted for pivotable movement about a horizontal pivot axis to provide means for engaging a narrow second end edge of the handheld apparatus when the narrow first end edge of the handheld apparatus is placed in the first handheld receiver slot to retain the handheld apparatus in a stationary upright portrait orientation relative to the item-storage platform and alternatively for engaging a relatively longer second side edge of the handheld apparatus when the relatively longer second side edge of the handheld apparatus is placed in the second handheld receiver slot to retain the handheld apparatus in a stationary sideways landscape orientation relative to the item-storage platform so that the handheld apparatus can be viewed by a child seated in a juvenile seat associated with the item-storage platform.