First of all this will work only for android users, and for iOS users, I’m very sorry this will not work for you.
You need to download the premium version of Lightroom Mobile to do this effect, you can download it for free just click the download link below:
ARM: http://bit.ly/2wSYy92
ARM64: http://bit.ly/2Q9fRvs
X86: http://bit.ly/2M61Prn
Apk files credit to this website. Please watch video tutorial below