Get the installation package of Gropius to Go 1.2 that is free and take a look at users' reviews on Droid Informer. The app is developed for Android 4.1 and higher. This application is completely safe to download. Land Berlin is the developer of the tool which can be found in the Travel & Local category.
The most recent update was on Feb 20, 2018 and Gropius to Go was downloaded and installed by over 1K users. On Google Play, the app was rated 4.2 by its users.