d3xmeister: If that's true, why any OLED display I have seen on devices show very unnatural color and exagerated contrast ? On the Olympus E-P3 photos shown on screen are waaaaaay of, you se a totally different image when you dowload the photos and see them on a professional calibrated monitor.
The problem is, that OLED-Screens have a very wide color-gamut. But we usually have no source to use this. Usually we are still shooting sRGB, and most decent LCDs can show sRGB-colors.So for now, there are usually only 2 choices for OLED, either spread the source-color (usually sRGB) to show of the wide gammut, or to convert the color correctly in the screens color-space, which usually means no advantage against LCD in color-reproduction.
BTW: to get a decent color-reproduction on the Galaxy S2, you need to set the screen-mode to video.