Modifying existing app store widjet?

Hi Experts, Can anyone tell me that how can I modify the existing app store widjet? I have to show the default functionality of the widjet and also I have to show the modified functionality of the widjet. so, please help me with that how to start with this?  And is there any documentation for that?     Thanks in Advance!
1 answers

There is a learning path about widget development. That is a good starting point.

If you want to work on an existing widget, you could get the source code from github (if existing) or you can just unzip the .mpk file from the widget.