1. Course resources: Rich course resources can be obtained through the invitation code of superstar mobile service. These courses cover various disciplines, including but not limited to mathematics, Chinese, English, physics, chemistry, biology, history, geography and so on. You can learn by watching course videos, listening to lectures and participating in online classes on the mobile side.

2. Learning materials: Superstar mobile service also provides various learning materials to help you better understand and master subject knowledge. These learning materials include textbooks, problem sets, workbooks and reference books. You can browse, download and use these learning materials through the mobile terminal to learn independently and consolidate your knowledge.

3. Other resources: In addition to courses and study materials, the invitation code of superstar mobile service also provides other types of resources. These resources include academic papers, research reports, case studies and experimental data. These resources can help you do more in-depth study and research and broaden your knowledge.