After playing this game for a while I have one thing that bugs me a little -- the faces on each cube are arranged randomly.
I feel that if the faces had fixed positions like on a dice, then it would take a certain amount of mental skill to decide what way to rotate them in order to get the color you need in the quickest possible way.-Jibz
Pay a bit closer attention to the colors as you rotate the cubes.

They
are arranged like dice. In fact, we even have a stage that is themed with dice images.
The game also hints to the fact that the cubes are like dice. For example: red and blue are always on opposite sides from each other. You can see this because the red face has a blue background and vice versa. And the red and blue meters are next to each other on the side of the screen. So if you get red, but you wanted blue, just rotate it twice in any direction (but both times in the same direction) and you'll get blue.
We used to explain this in the tutorial, but we got complaints that the tutorial was too long, so we trimmed it down to pretty much the bare essentials so people could finish it in less than a minute if they were rushing through it.
or just point a camera at screen.-mouser
I feel like that would look terrible.
