WeChat is the complete mobile communication and social networking app, it is a free cross-platform, and full-featured. WeChat is the best way to keep in touch with everyone you care about. Give it a shot and let us know what you think about it.

-Fun one-on-one and group chats with voice messages, texts, pictures
-Chat with friends across platforms
-Enhance your chats with a huge selection of animated emoticons
-Power-saving optimizations and low data consumption rates
-Simple Facebook Connect log-in
-Fast and easy registration via phone number (supports more than a hundred different regions)
-Supports 5 languages, including English, Thai, Indonesian, Traditional Chinese and Simplified Chinese
-Supports OS5/OS6/OS7

Download for free via App World.