secure folder setting and side key

[ajjas1]

I didn't found side key option in secure folder setting 

I.e double tap to quick switch to secure folder 

How to solve this problem please help

See in picture 

[kifayatullah1]

yar mara to double tap karny sy secure folder open ho jata hy ap try karo secure folder close karo phir double tap karo open ho jaye ga lakin double tap karny sy close nahe hota ye option Pakistan k lye nahe hy sirf india k lye hy

[ajjas1]

Acha g

[ajjas1]

thanks