Computer application software for mobile phones, namely, software for use as a metal detector, flashlight, compass and magnifier which can also measure length, angle, slope, horizontal levels, distance, height, width, size of area, bearing, noise and vibration; Computer application software for mobile phones, namely, software for use as a metal detector, flashlight, compass and magnifier which can also measure length, angle, slope, horizontal levels, distance, height, width, size of area, bearing, noise, vibration, illuminance and speed; Computer application software for mobile phones, namely, software for use as metal detector; Computer application software for mobile phones, namely, software for use as flashlight; Computer application software for mobile phones, namely, software for use as compass; Computer application software for mobile phones, namely, software for use as magnifier; Computer application software for mobile phones, namely, software for use as measures for length; Computer application software for mobile phones, namely, software for use as measures for angle; 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Computer application software for mobile phones, namely, software for use as measures for speed; Computer application software for mobile phones, namely, software which can measure distance, height and length; Downloadable computer programs for use as a metal detector, flashlight, compass and magnifier which can also measure length, angle, slope, horizontal levels, distance, height, width, size of area, bearing, noise and vibration; Downloadable computer programs for use as a metal detector, flashlight, compass and magnifier which can also measure length, angle, slope, horizontal levels, distance, height, width, size of area, bearing, noise, vibration, illuminance and speed; Downloadable computer programs for use as metal detector; Downloadable computer programs for use as flashlight; Downloadable computer programs for use as compass; Downloadable computer programs for use as magnifier; Downloadable computer programs for use as measures for length; Downloadable computer programs for use as measures for angle; 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