Commands

Up / W: throttle (not needed with Auto-throttle on). Down / S: brake. In menus, move the highlight.
Left / Right or A / D: steer. In the Garage, switch between Upgrades and Hulls.
1, Shift or X: boost (needs 40 energy). Holding throttle at GO gives a perfect start.
Enter / Space: OK: choose, launch, continue.
Backspace / Esc / P / B: Back. During a race it pauses (Resume, Restart race, Quit).
1-5 in the hangar: Cups, Time Trial, Garage, Records, Auto-throttle. Log off is the sixth row: choose it twice.
Touch: the pad has Boost, Throttle, Back, Left, OK, Right, Brake. In a race you can also hold the left or right half of the picture to steer. Tap a row twice to choose it; tap a card to close it.
Choices menu: pause, how to play, new game, sound, difficulty (Rookie, Pro, Elite), save slot, theme.