Click Developer Website below to watch a 4 minutes tutorial. Or type in following address: https://youtu.be/NU7QJwinYbw

Features:
1. Conveniently recording new words with only two clicks while reading
2. Support all popular reading apps, including Kindle, iBooks, Safari, Bluefire, Scribd, Flipboard, etc..
3. Studying the words by groups: new, review, and learned
4. Learning language of your choice (20+ languages supported)
5. Syncing the words across iPhones, iPads and Macs over iCloud
6. Collecting awards for learning new words
7. Optional a-word-a-day notification to make your learning persist