Google Maps and IPhone-like experience

When I saw Steve Jobs keynote announcing IPhone, I liked one UI feature very much. It was something I call ‘thrown scroll’. You know what I mean? If not, go and watch this video (1:30 after start, 1:20 before end): http://www.youtube.com/watch?v=s_f-KK140vM OK, now You know what I mean. Now I wanted to get similar experience …