AOD and other features missing in a15

[oozi]

I tried to get always on display but its not an option in settings also it dosent let me install goodlock on the galaxy a15 is it because its an A series? 

[PeterParke23r]

I was using this trick and it will for my device.
You can try by using this trick ⬇️
https://www.youtube.com/watch?v=7WCkktLCXvo

[klayton8]

Yes! I use the app muviz edge and it's perfect, just make sure you have the battery saver option on, and AMOLED protection on as well