Answer:
I can move even when you are still. I can be one or many.
Tool of thief, toy of queen. Always used to be unseen. Sign of joy, sign of sorrow. Giving all likeness borrowed.
Take one out and scratch my head I am now black but once was red.
My first half is normally made of stone, my second is crazy, and I taste sweet when complete.
I have one eye. See near and far. I hold the moments you treasure and the things that make you weep.
I can only be played on a windy day