The security report shows that this application is safe. The app has been originally developed by nullhouse and it belongs to the Educational category. 超速！古典単語 was downloaded and set up by over 50K users and the most recent stable release was on Sep 1, 2019.
The average user rating of the tool is 4.5. There are ads in this application. You can get the .apk installation package of 超速！古典単語 1.0.1 for free and read users' reviews on Droid Informer. The file size doesn't exceed 4 MB and the app can be launched flawlessly on Android 4.2 and higher.