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Some of us are not satisfied to simply listen to music; many would be thrilled with the option of playing around with their favorite tracks, especially by means of the convenience of their mobile phones. The GrandWizard smartphone delivers this freedom in the form of a compact audio-editing control panel that doubles as a cellphone.

This cutting-edge concept has been fine-tuned since Yu Hiraoka's earlier model. This one was showcased in Milan Design Week 2013 and features a new and very sleek aluminum case. The device comprises a dual-component sliding mechanism with three separate sections each. The user is afforded three screens on the top, and a click wheel on either side of its touch panel in the center. The GrandWizard smartphone is a tiny turntable for mp3 tracks with which you can remix music.