There are various formats, how to present information (mindmaps, outlines, or tedegraphs :-) When we read something our concentration is better with the picture (because picture is worth thousand words).
Picture or other graphical information piece is the core of information which is described by sentences which are played one by one.
It can be used as an incremental reader as well.
foto: https://creativecommons.org/licenses/by/2.5 CC BY 2.5:Patrick J. Lynch, medical illustrator
install from Google Play Store
if you are creative, you can contribute here https://www.facebook.com/groups/826250551297521
This project is obsolete. For newer version of Android you can use rather Tededroid written Java.