The app is completely safe to download. CTS Informática has designed Tartaruga Luck that falls into the Educational category. On Google Play, the tool has been rated 4.3 by its users.
Over 50 users downloaded this application and the latest update was released on Dec 1, 2016. You can get the installer of Tartaruga Luck 2.0 for free and take a look at users' reviews on Droid Informer. The app works fine on Android 4.0 and higher.