Nokia, Android, and Approach to Open Source

I might be confusing what's in public MeeGo and "Nokia MeeGo", but if you look at the stuff in the public gitorious repos, you notice that it wasn't just "rebasing everything on top of Qt", but first writing a completely new widget toolkit[1] on top of the Qt GraphicsView (which toolkit seems have appeared first under different name[2], so maybe even that was partially rewritten). One assumes that apps were started before this new toolkit was at the maturity level of e.g. (over decade old) Qt or Gtk which "can" affect how much time went to writing the apps.

And at some point QML came into picture and now there seems to be yet-another widget toolkit[3], this time done on top of QML...

[1] http://meego.gitorious.org/meegotouch/libmeegotouch
[2] http://qt.gitorious.org/maemo-6-ui-framework
[3] http://qt.gitorious.org/qt-components/qt-components