It's safe to download the tool. This application is designed by Ateam Inc. and its category is Educational. Google Play shows that the app is rated 3.7 by its users.
The most recent update of the tool was released on Mar 13, 2017 and さくさく英単語 -忘れられない学習法！- has been installed by over 100K users. This application shows adverts. Get the free setup package of さくさく英単語 -忘れられない学習法！- 1.0.4 and take a look at users' reviews on Droid Informer. The app can be launched on Android devices 2.3 and above.