Silverlight for Windows Phone Toolkit offers developers additional controls for Windows Phone application development, designed to match the rich user experience of the Windows Phone 7.
There're some great new controls in the release:
- AutoCompleteBox -- Very similar to Silverlight AutoCompleteBox
- ListPicker - Similar to a ComboBox control; shows a selected item and allows a user to choose a new item from a list
- LongListSelector - Like a ListBox on steroids…supports more advanced scenarios such as really long lists with ease
- Page Transitions - Provides professional looking page transitions that're easy to use
Also, you get controls released in the September version of the toolkit:
More Info: Download