learning words by playing game is not any more boring.
It's easier to rememmber，and harder to forget .

you can test your skill by playing challenge mode,
the more you master the higher mark you get.

it's very simple,even three years old kid can master it,
there is no problem with age restrictions.

by paying a little bit money,you can never been disturb by any advertisement,plus
you will never need to pay for future updates.pay once enjoy for a whole life.

There are custom font feature, you can increase the chapter with the word freedom, so you can concentrate want to reinforce the word, so that learning English is more rapid in the settings.