Default [Q] Build prop tweaks?

I wanna tweak the build prop by adding extra lines to make the photo quality less compressed and maybe some speed optimizations.

Is this possible on a device running Intel?

I take it I just add the build prop tweaks to the end of the build prop itself?

If i learn that this is possible I may try make a ROM for the RAZR i.

Top reliable phones I have had: HTC One. LG G2, Nexus 4, Note 2, Nokia 5800, Motorola RAZR V3X, Motorola RAZR i, Nexus 5 Had many more, but these devices were the best IMO.

Current Phone: HTC One M8

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