Whos calling Announcer is an Android app developed by ForU Naveen. The app announces the name of the caller for incoming phone calls and also displays the user talk-time Call duration window. With Theme Caller ID, users have the option to enable/disable Caller ID and set a full-screen caller ID background from the gallery or themes.

The app also has an Auto Answer Calls feature that allows users to set incoming calls to auto-answer and activate the loudspeaker on/off. Users can set the auto-answer call after 5, 10, 15, 30, 45 seconds of call receiving.

In addition, the app offers options such as Who's Caller Name Announcer with Theme Caller ID, Caller Announcer to announce Caller Name, Disable/Enable Unknown Calls Announcer, Call Duration window after ending incoming calls, and 20+ different types of Caller ID Themes.

Please note that SMS Announcer has been removed in this version due to permission issues.

Overall, Whos calling Announcer is a useful app for those who want to know the name of the caller and customize their caller ID experience.