Payment calculator hybrid application was made from scratch by me (include graphic design).
App is based on HTML 4 with no canvas usage & works on most smart phones. It was ment to compile it with PhoneGap (Android package) as native mobile app.
###Demo Test it on iPhone trough url: http://ajax.si/opla/ ( add to home screen (shortcut) to view it full screen )
For Android us package: http://ajax.si/opla/o.apk