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NOTE: This app is currently unmaintained.
Visor is a magnifying glass. Enlarge difficult to read text by 4 magnification levels and change contrast to 5 different viewing modes. Optionally, turn on the LED flash of your device to help you see better in low-light conditions.
Visor zooms and improves the contrast of whatever you want to see. Its advanced color modes and simple interface are made for giving you the best possible perception of printed text on your screen like you’d expect it from a handheld electronic magnifier.