B1 Prüfung Deutsch Sprechen Teil 1 is an Android app developed by haertati, available for free on the Play Store. The app aims to help learners improve their German language skills and prepare them for the B1 language proficiency exam.

The app offers a range of features to help learners develop their language skills, including vocabulary and grammar exercises, as well as practice exercises for the speaking part of the B1 exam. The app also includes reading and listening exercises, which can help learners improve their comprehension skills.

Overall, B1 Prüfung Deutsch Sprechen Teil 1 is a useful app for anyone looking to improve their German language skills, especially those preparing for the B1 language proficiency exam. However, it is important to note that the app does not provide any official certification and should only be used as a supplementary learning tool.