[Zubersoft]

There are no brightness or contrast settings in MobileSheetsPro at the moment. If you take an image with a pure white background and display it on the screen, does it still appear dark? Or do your grayscale images have gray backgrounds? I'm trying to determine if what you are asking for is not the ability for MobileSheetsPro to increase the contrast of the image (i.e. take content that is gray and make it white, similar to what the sharpening feature in MobileSheetsPro already does), but for MobileSheetsPro to increase the contrast/brightness of the display, which it doesn't have direct control over. If you tap the navigation ball, you should be able to access optimizations for MobileSheetsPro (these are the ones built into the Onyx OS, so if you haven't updated the firmware, you may need to do so). I believe there are contrast and brightness optimizations available.

Mike