Here is Full Tutorial to Get Video Calling Feature on WhatsApp for All Android Phones :
They released v2.16.80 beta update with Video calling feature. APk File is ready to download for all Android devices. I have downloaded this update new video calling feature is live on it.
They have provided new video calling feature in this update, you can access it from call icon. But, the App available only on beta version you can download enable this feature by entering in Google Play's beta testing program.
How it Works?
You will get an video call option by clicking on the call button. I have tried it on my Nexus 6p. When I tried to make video call, I got message saying "Couldn't place call. Video Calling is unavailable at this time"
Once the feature will start working, it will be revolutionary in many ways.
There are lots of questions now for this update like, How they will optimize this feature & Is this feature will also work for WhatsApp Groups? etc..
Get this feature on your Android phone by click on below URL
WhatsApp Messenger v2.16.80 APK