It's secure to download the app. Lutz Clausnitzer is the creator of Audio-Guide Céleste Épisode 1 which belongs to the Educational category. The average rating for the tool is 4.8 on Google Play.
The most recent update was on Jan 12, 2017 and this application was downloaded and set up by over 50 users. It's free of charge to get the installation package of Audio-Guide Céleste Épisode 1, also, you can have a look at users' reviews on Droid Informer. The app works fine on Android 4.0.3 and above.