Windows Phone Double Tap To Unlock

I recently upgraded my Lumia 620 to GDR2 Amber by flashing another, Finish I think, ROM. All works fine, including the glance screen and I even got the automatic time setting that was lacking to my original ROM. (Don't know if that's due to the update or just the ROM being another one. However, I'm still lacking the double tap to unlock feature. Should I try to find some other ROMs or could getting the next update of Display+Touch from a, let's say, Lumia 820 and installing it through my microSD card do the trick?

Windows Phone 8: Turn On or Off the Glance Feature on Lumia. And they now have the ability to double-tap to wake the phone up. While the double-tap to unlock. I was used to double tap my screen when I wanted to unlock my phone in WP8.1 However in wp10, I can't find such an option in the.