ASUS - ZenTalk

I want to know when the native video call.option will be available because i just use this everyday because i have to call.my parents and they don't have good network so can't call them through 3rd party apps. So please inform will it be available or...

i planned to use a phone almot more than 4years so i choose this phone but i just check community and found there is many problem. is there only software problem or hardware issue?i also wanted to know how the dev works on bugs .it is a very big ammo...