Possible things that will be added[nothing guaranteed]:
-Foxy The Pirate Fox easter egg
-Freddy Fazbear[obvious]
-a doggo
-easter eggs
-furries[it's a joke]
-soundtrack
-
-original 3D models
will be removed[nothing guaranteed]:
-interactive computer
-using of Source Filmmaker[This doesn't mean this app is bad, it just means I'll prefer using Blender.]
-Foxy's stupidity [for some reason in DSAF and FNAFB, Foxy is, let's say, different]