WWChat

Chat with people you know, or find new friends. Main Features: Share messages, photos, videos, sound/voice recordings and location. Notification of messages when application is not running. Profile picture and about information. Create your own groups or join existing ones. Groups can be public or private. PIN code to lock application and protect your privacy. Set favorite contacts and groups. Manual and automatic deletion of messages.

WWChat is easy: fill in user name, email address and your password and you are ready to start a chat conversation.

Android developers can integrate their applications (for free) with a public group wall. See WWChat website for more information.