SLOWNESS and game freezes

Platform, device and operation system
Eg, Android, Samsung Galazy s8, Nougat gameplay is extremely slow and although I allowed it to download everything it is still extremely slow. I like the game but the slowneanother device. Where possible, a video helps us best. Try uploading it to Youtube privately.*

How often does this happen? When did it begin happening?
Is this a once-off issue or has it been a consistent issue? Does it only happen in specific circumstances?

Steps to make it happen again
Please detail the steps taken to trigger this bug. The more detailed the breakdown, the easier it is for us to test in-house.