Roco Z21 is an Android app developed by Modelleisenbahn München GmbH (Modelleisenbahn GmbHPlainbachstraße 4A-5101 Bergheim).

Roco Z21 first became available on 07 Sep 2012. It is estimated that Roco Z21 has been downloaded between 100000 and 500000 times from the Play Store.

Roco Z21 2.6.9 requires the following permissions:

Allows applications to open network sockets.

Allows an application to read from external storage.

Allows an application to write to external storage.