Google play store allows the app developers to upload the beta version (trail version ) of application for specified vera users . That application or updated will be specifically available to these beta user .
WhatsApp video call :
Whatsapp recently launched its video call feature as as beta version . This can be accessed only by beta tester (user )
How to avail this feature ?
Follow these simple steps to became whatsapp beta tester and enjoy its new feature . Log in to your play store account then click on whatsapp . Inside whatsapp scroll to bottom of the page there you could see become beta tester of this app in a small box and you will find a button with the name “I’m in “. Once you are done with it you will recive latest update . Then update your app and enjoy video calling feature.
How to make a video call ?
Launch whatsapp . Click call tab there you will find a call plus option on the top left corner . Click that option . Then it will show list of contacts with options to call such as whatsapp voice call and whatsapp video call .select video button along the side of the contact whome you wanna make a call.
To enjoy this feature you can call only another beta tester who has this update .