Star Tours is a motion simulator ride. You sit inside the 'space ship' (wearing a lap belt) and watch a screen, then the simulator moves around, tipping backwards, forewards and side to side based on the movements you are seeing on the screen.
Armageddon is different. Here you listed to a intro on a monitor (obvious English speaking actor, dubbed into French with English sub titles!!) then you go into a big theamed room which is on a kind of platform. There you stand and listen to the commentry and follow the storyline. The room tilts and jolts a bit (but not so much as Star Tours as you are standing up) and jets of fire and steam do come out of the walls (although obviously not right were people are standing.) The story here is the space station is being attacked and destroyed.
Neither of these rides are anything like a rollercoaster.