Hello tulasa mirji,
This forum might not be the best place to post questions regarding API's that are not ArcGIS Android Runtime related. You might find more success with questions like this on forums such as:
Where you can tag your issue with the android or the google-maps-api-3 tag to seek out the appropriate resources.
This forum may be a great place to post as well.
Geographic Information Systems Stack Exchange
Retrieving data ...