using arCore from scratch. (4.19)

I am very new to AR and especially ARCore.
I am familiar with UE4 but not familiar with compiling neither Android nor arCore.
Is it there any guide/tutorial (I tried to look for it) that tells step by step the instructions to get an arCore app designed in Unreal to run an Samsung S7 (just the phone I have in hand).?
I was able to find:

This is currently too much as a starting point. At first I would rather do the dumb stemp by stemp thing.