Zertifikat B2 Deutsch Sprechen by haertati is an Android app that offers free online German language learning. The app is designed to help users learn the German language in a stress-free and fun way. The app is developed to help users prepare for the Goethe-Zertifikat B2: Start Deutsch Sprechen exam. The exam consists of a written test and an oral group test, which includes listening, reading, and writing. The app provides users with a range of exercises and materials to help them prepare for the exam.

The app is suitable for individuals who want to learn the German language for various purposes, such as work, study, or travel. The app offers a range of features, including the ability to understand short and simple questions, public announcements, and personal messages in everyday situations. Additionally, the app offers exercises on filling out forms, simple and personal information, and writing short personal messages. The app also offers a Vocab trainer, learning games, grammar courses, and German texts. The app is a great resource for anyone looking to learn German in a comprehensive and engaging way.