Guide movie is here:
http://youtu.be/NeKPdTmCR8k
This is flashcard app.
Until now, there is no app memorizing like this way.
You can memorize words more efficiently.
It makes you repeat difficult word more frequently.
When start game it shuffles the cards.
During memorize, select unknown word as block and touch Online Dictionary button.
It search the definition from Online Dictionary.
In Online Dictionary, copy the definition and paste it into the input view.
In this manner, add new words and expand your vocabulary.
You can add and customize Online Dictionary URL in settings.
You can check duplicate cards from the input view.
You can backup the word list by mail as attached text file.
You can restore the list by copy & paste the text in the input view.
You can customize card form.