Download the setup package of Etapa that is completely free of charge and have a look at users' reviews on Droid Informer. The download of the app doesn't contain viruses or any kind of malware. Etapa Educacional created this application that falls into the Educational category.
The most recent update was on Aug 9, 2017 and the tool was downloaded and set up by over 10 users. Etapa has the average rating 3.1 on Google Play.