Gps wont be replaced. Gps works litterally anywhere on the planet’s surface without any other data connection.
Your phones acceleratormeters are decent. But will quickly become disoriented without recalibration from gps.
Consumer graphics is a tiny fraction. The real buyers are enterprise datacenters and super computers. El captian at the Lawrence Livermore national lab alone has 43,000 apus.
Most anticheats work fine on linux… its the kernel level ones that never work. And frankly you shouldnt want to run it on windows either…