???? "??? ?? ??? ??? ?? ??? ?? ??? ?? ???? ?? ??? ????, ???? ??? ??? ??? ??? ??? ?? ????? ???? ??? ??? ??? ??? ??? ??? ??? ???"? ????.I am acquiring the challenge with WhatsApp application. That is definitely, I mounted the WhatsApp application on my notebook. Every time I start the Application immediately after exiting it, it will require a sign u