The User Acquisition role involves creating and optimizing advertising campaigns on platforms like Facebook, Mineral, Applovin, Unity, and TikTok for the company's global game products. Responsibilities include analyzing campaign effectiveness, adjusting bids, and optimizing campaigns based on data. The role also requires providing solutions based on analysis results, planning product boosts, collaborating with global partners, and supporting the development of creative ideas and ad content. The ideal candidate should be familiar with the mobile game market and have experience in running game advertisements.