Apart from regular UI controls like tabview and listview, are there any unique and attractive UI controls like Quick action bar, Action bar, or iOS spinner (Date and time selector) which are attractive to use on Android?
You might want to look at the DroidUX UI component library.
DroidUX is the first professional UI/UX component library for Android. It includes widgets like ActionBar/AppBar, Dashboard, QuickActions, Wheel 3D Carousel, DateTimePicker, Editor, and other unique and visually appealing widgets.
You can see it in action, by downloading the API Demos app in the Android Market.
You can also try the library FREE here.