trading hours dont require an app. reading charts is like reading a crystal ball or smoke signals ... nothing definitive ,just interpretation
Not at this time, but maybe they`ll do an app in the future http://stockcharts.com/school/doku.php?id=chart_school/
Probably depends on what you mean by children too ... by the time kids are about 14, 15, 16, they're probably already programming if they're going to learn it at all.
I recommend this Forex for Beginners app. Easy to use and friendly design, fast line&candlestick charts!