common code from all activities to one BaseActivity
call setTheme before super() on all activities onCreate()
Fix an important bug noticed by Anna Vivaldi
remember scrambling state of the object in the PlayActivity
bugfix
progress
bugfixes
progress with PlayActivity - colors of the level buttons.
progress with PlayActivity
Remove all old UI 1.0 classes
Progress with the generic PlayActivity.
Activity numbers.
Progress with PlayActivity