Mobile phones are becoming a kind of must-have portable devices for people. This video demonstrates a mobile phone that can sense what you are pointing to and can act as a physical ubiquitous interaction device in real world, called MagicPhone. If you want to interact with an appliance around you, you just simply point the MagicPhone to it and then operate. The MagicPhone uses both the built-in accelerometer and magnetometer to sense the pointing orientation. Using MagicPhone, you only need to

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... oint to a device and sliding your finger, to show a picture on a display, to send a document to a laptop, to share slides on a projector, and to print a photo. In addition, MagicPhone can control a selected device with accelerometer-based gestures, e.g. changing TV channels. It also can serve as a mouse to draw a picture or play clicking games.