to go up, hold the up arrow (after the intro only) (computers only) press the left or right to steer the rocket.
the official simulation of rockets the only thing that is sad is that it can only go up The game is saved as long as this game is open and if you have the tab in view. That's unless you sign out (you can press the stop button and it will save as long as you don't close this game) Space or ground stations are going to appear in different locations and you can use them for docking
