Hilfsverben is an Android app that helps users learn and remember German auxiliary verbs, an essential part of forming tenses. With this app, users can study and practice wherever they are, making it easy and fast to learn.

The app is free to download and offers a user-friendly interface. It consists of a list of auxiliary verbs with a brief explanation of their usage. Users can also practice the verbs by completing exercises. The exercises are simple, but effective in reinforcing the learning of the verbs.

Overall, Hilfsverben is a great app for anyone learning German, especially those struggling with auxiliary verbs. The app is easy to use and provides a helpful tool for practicing and memorizing the verbs. However, there is no option for feedback or suggestions within the app itself.