The ornamental design for a multimediakiosk, as shown and described.
1. Multimedia kiosk
1.1: Perspective
1.2: Rear perspective view
1.3: Front
1.4: Back
1.5: Left
1.6: Right
1.7: Top
1.8: Bottom
The subject design is a multimedia kiosk that can be installed where the user wants to receive necessary information and use a webcam and microphone according to their convenience.