Galaxy Tab A 9.7 (aka SM-P550) - any way to fix the terrible pixelation?

bought this tablet 2 days ago for the missus. she doesn't mind it, but I can't stand how bad the picture is on it. Bestbuy sold me on it...we needed a tablet with integrated stylus. can the screen resolution be changed somehow?? or some app that can help with the picture??

thanks in advance for any advice! :D

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