Pressed the onscreen button on my s6 edge this afternoon and a strange new display swipe screen is showing up - picture included. I have no idea where this came from and I have to swipe it just to get to my pin lock. I've checked my apps, my settings, my locked screen, I've disabled some of the apps I thought it could've been but to no avail. Does this look familiar to anyone, and if so how do I get rid of it? It's eating up my battery life.
Looking around, this reddit comment pointed me in the right direction. Using ES Task Manager I found all apps with a name containing "photo", and all were recently updated.
Photo Collage Editor was the culprit.
So if you don't like random ads forced on you, don't install this app:
I'm sure there's plenty of other apps that do collages, and are made by slightly more polite people.. I'm sure I'll find out when I need to make a collage again, but I'm not using this app ever again.
EDIT This app, by the same developer ("Zentertain"), is doing the same thing: