The problem collection “English words at junior high school to high school level” (1845 questions) is added to the app “Let's write and remember anything”.
Please install the app separately from the following.
https://play.google.com/store/apps/details?id=jp.aqsoft.nankaki
There are also usage of irregular verbs and explanation of synonyms.
You can add, edit, and delete problems by writing and learning anything.
If you do not need to be notified of version upgrades in the future, you can uninstall this app after adding the problem collection.