Re: Samsung S3 mini running 5.1.1 here
I'm running Cyanogen on a Samsung S2. Perfectly fine.
Everything Google has been removed (thanks Link2SD) and any apps are downloaded from the Playstore onto my computer (there is a way if you search) and side loaded to the phone.
Might need a new battery soon but they're peanuts.
Old but not obsolete. (No Arni icon unfortunately)