The first priority is getting Facebook users to install the game.

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One of the biggest frustrations of mobile gaming is that when customers switch devices or delete and re-install the game on the same device, they have to start a level over or go back to the beginning of the game.

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That enabled them to install a racing game and play it, using the machine's pin pad and screen.

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It can be hidden in a game for example, where you get an email, it has a game attached to it, you install it, you play the game, nothing looks strange.

BBC

With so many preorders, the game could find itself a nice little install base, and it could be a bit of a breather from Black Ops players looking for something similar, but new at the same time.

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In addition, the in-game load times are very quick once you get through the insanely time consuming install process, that is.

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