Video Chat API in android provide Group Video Chat, Peer to peer and Mobile to Web

Video chat in android is the hot topic in every mobile either Android or iPhone. While making application based on social networking, including Video chat option can raise your application standard. Even though android does not provide directly anything related to video chat, but there are lots of work around for this.
Challenge while implement Video chat are

• Video Quality on internet 
• Video Delay while streaming
• And implementing between cross platform

So looking for API considering all possibilities is quite difficult before OpenTok comes in to scene.

Before implementing into your project see the pricing which is very crucial to your project nature and scale

OpenTok Pricing

I have been touch with them since last one month, They have launch the early beta version of android version and working hard to launch it completely in April 2013

Current Support for android device

Nexus 4, Nexus 7 and S3

Full Version is expected to launch in next month

How to start implementing 

Official Website

OpenTok hello world application on Github

Support blog and Support Forum