The app starts with a static noise screen - just like a vintage TV, as soon as you put steel wool or a metallic object close to to the mobile phone, it goes from no signal to clear crystal image. The closer the item is, the better. The magic happens because of the use of the mobile phone magnetometer sensor - the same used by the phone to locate north magnetic pole. Rewarding fans with new film content everyday, hosted by Carlos Moreno, an iconic Brazilian presenter.