This application provided you with 3000 preloaded English words,
You have 3 sections in the application ( All, Remining, Completed),
You can open each word in the list translate and give example on your own to remember the word,
You can mark any word as completed it'll automatically moved to completed section and removed from remining section with checked mark,
You can go to google translate to help you with the meaning ,
You can even clear all preloaded words in settings and add your own words.