How to install APK / APKS / OBB file on Android
■ Using commuting time and holiday time!
Everyone who is busy with day-to-day business is an application for checking your understanding of texts and using it for review, using skimmer time.
■ The problem is without in-app billing, all free!
By solving the problem repeatedly, please also check your understanding and incompetence of your learning.
We hope that you will pass this application and that you will pass.
【About privacy policy】
This application does not collect and use personal information anywhere in this application.
【Conclusion】
We are not responsible for any damage caused by this application, so please understand.
■ We advertise on application of the application.