Here is the problem: I can get text to align to the right in preview mode (image #1) but as soon as I enter the game engine, it pops back into left text alignment (image #2).
I must be missing something really simple or maybe this is a known issue? I just noticed this in 2.75a but vaguely recall the issue in earlier versions. Blend file is also attached:
TestAlignTest.blend (451 KB)