Thanks for checking out the free version of the app.
This app simplifies word meanings and also provides example(s) for each word meaning.

These are the features:
1. All words are listed.
2. View definitions for all words starting with the alphabet A.
3. Bookmark words and view them later.
4.The first 2 word lists are available. For all the 50 word lists, you'll need to full version (link at the end)
5. Search for a word from the list of words.
6. High frequency words is provided as a pro feature.

Here's the link for the paid version of the app:

https://play.google.com/store/apps/details?id=grewordlist.paid