This application "TraceWriter" traces a letter of the original text to practice. Copying of a sutra of the Pajna-para-mita sutra or the kanji exercise of the primary schoolchild are possible.
It is most suitable for a Japanese exercise.
We emphasize that to reproduce the sensation writing a letter on the paper.
You get used to, you can continue writing without pressing the button.
Manga manual is below.
http://www.asahi-net.or.jp/~YY8A-IMI/ipad/traceWrite/manga/indexe.html