I have a table named "Userstable" with some columns.
How to fill this table into a list and get another action when click at any list entry?
Google is your friend. Always try searching for some tutorials before bringing it to stack. Here's a few tuts I found that should help you:
http://kahdev.wordpress.com/2010/09/27/android-using-the-sqlite-database-with-listview/
http://android-er.blogspot.com/2011/06/simple-example-using-androids-sqlite_02.html