Fortune-telling YES NO online in your smartphone. You can safely assume that this answer is YOURS and is true, because the result is random and in no way can be predicted by us in advance in a technical or mathematical way, because you yourself control the movement of the arrow. About the same as tossing a coin - the answer is in your hands. We just made a convenient online tool.
Formulate your question so that the answer is simple - YES NO and spin the drum at the speed you need, hold the button in the center for this, then get the answer.