Normaly if an app runs on a mobile devices the underlying system will handle the events of hardware-buttons (e.g. button back, homebutton) and will provide some hooks/callbacks so that the programmer can handle various scenarious like preserving state, reactivation of the app aso.
We have an existing Windows Phone app and we try to rebuild the programm with cshtml5 for all other platforms. As I did not read anything about these topics somewhere...is there a link to the documentation where this is described? Is there an idea how this should work, can be achieved or better said: are these valid considerations or not subject of interest?