Answer:
b) product differentiation
Step-by-step explanation:
Based on the scenario being described it can be said that the competitive strategy that Hueblue software is implementing is known as product differentiation. This strategy focuses on making sure that the product that a particular company offers is unique and different from it competitor's products in order to make it more desired by a particular target market. Which is what Hueblue is doing by developing motion-control-enabled games which it's competitors do not have.