Useful Contacts Widget (com.ymcools.fcwp) on Google Play
This is a useful desktop widget, it will base on your dialing habits, automatically put frequent contact person on home screen. you can quickly and easily make a phone call, no longer needed to search in the phone book.Without any set up, just installed and use itSupport vertical scrolling on desktopPlease note: this is a desktop widget not APP, after install, be sure to add this widget to the desktop.