V-Trainer is an Android app developed by Detroit Technical English (Unzerstraße 5 D-22767 Hamburg).

V-Trainer first became available on 20 Jul 2012. It is estimated that V-Trainer has been downloaded between 10000 and 50000 times from the Play Store.

V-Trainer 2.0.6 requires the following permissions:

Allows applications to access information about networks.

Allows applications to open network sockets.

Allows an application to write to external storage.