Turn your sensitivity down in options on the start menu.
Become a herm
No modern warfare 2 can not be played on wildfire the software on any smart phone is to small and not a fast proseccer
Be really really good at it.
Boost. Or do challenges :)
You use the sleight of hand perk.
You buy a decent internet connection that is fast and then play it
dropzone witha stinger and speclist
the fastest way to do it is to be a beast at the game, or hack but i would not advise it.
modern warfare 2 is fast paced and arcady while killzone 2 is more slow and tactical
Most likely they will. It will probably be somewhat like cod4 sniping, and probably not as fast as mw2.
Play a lot of Search and Destroy it is by far the easiest way to level up.
Go to settings, options, sensitivity, 10(INSANE) then just spin like usual but it is faster.