Duolingo for children.
I tried to post this to the facebook page, but it didn't work for some reason.
I have a daughter who is five, and is being taught basic reading at school. Keeping her attention and enthusiasm when helping her do her homework in the afternoon pretty difficult. She does like using the computer and smartphones - so i thought if Duolingo had a "I would like to learn English (I speak English)" mode, it could help parents.
Obviously there would be the same thing for other languages, too. Gameifying (that's a word now, isn't it?) learning to help kids!
I think that would be great. My kids (ages 6-10) love taking dictation for me on my iPod--I'll say the answer and they find the words or select the correct sentence for me. They also like typing in full sentences, but I tend to not have the patience for that. Dragging the screen down to see the upside-down owl is another favorite activity!