Screen is just... subpar topic

Hello! I know that its common knowledge that the nexus devices don't have the best looking screens, and that flashing a custom kernel can fix these issues for the most part, BUT even still, my screen just doesn't look as good as say my friends iPod Touch or another ones S4. I've tried GalaxyS4 colors (preset in FKU) and I'm using obsanity for now, but its still just not very good. Any tips?

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