My advise would be not do it unless you are facing performance or other problems that cannot be fixed on its own.
It does help with performance by returning it to vanilla state but this might be a hassle if you don't have a good backup app such as titanium.
Here is a great android bundle giveaway that I have come across recently. This looks awesome and right intime for christmas :D
Enter here: https://wn.nr/4WRfz
Some details about the giveaway:
How to enter is fairly simple. We have over 25 set prizes/packs and each one will be given to a...
It looks like a legitimate app from Samsung. It looks like its only for Samsung customers with some exclusive deals and offers.
Here is a link to the app page
https://play.google.com/store/apps/details?id=com.samsunguk.mygalaxy&hl=en_us
These popups are usually from fake apps or stupid websites. I recommend your install an antivirus and do a full scan and as for the webpages, just close them when you see one.
Hmm, you could possibly achieve this on a rooted phone with the xposed framework installed.
There is an article for the nexus here , you can have a read and see if you can apply it on your phone.
How to Prevent Thieves from Turning Off Your Stolen Nexus So You Can Locate It « Nexus 5