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First off, I love this idea completely and I encourage you to continue with this. Now here comes my two cents:
The second concept with the blue is bleh. You could try a sky blue.
The first concept's background is in the right direction. Maybe if it was a lighter biege, it would work better.
The red works great with the biege, but the dark red text in the download buttons are unreadable, so you can either make the text darker or the buttons lighter.
