Screenshot featuring three Chinese proficiency test-related apps and services. On the left is "SuperTest" app, in the center is the HSK test service website, and on the right is the "Anji记忆卡" app.

The image presents three different tools for Chinese proficiency testing and learning. On the left is the SuperTest app, a mobile platform for HSK exam preparation. In the center is a screenshot from the HSK test service website, which offers resources to book and practice for HSK exams. On the right is the Anji记忆卡 app, which provides learning tools focused on memory cards and spaced repetition for mastering Chinese language content.