Several times when we tapped the home screen to exit out of a game, the app hung there for a second before finally disappearing.

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Far better to exit at the top of your game, the result of careful and orderly planning.

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Murray looked to be heading for an early exit when he feebly dropped his opening service game of the second set but battled back strongly to break his Serbian opponent twice in succession.

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The app works as a game hub too, allowing the user to enter, exit and play games by navigating exclusively with the Atlas controller -- a console front-end, if you will.

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Stung by the emerging fear of an early exit, Spain coach del Bosque reverted to the tactics that had drawn widespread criticism in the opening group game with Italy, withdrawing striker Fernando Torres and bringing on winger Navas.

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Calderwood, who arrived in January with assistant Jimmy Nicholl and coach Sandy Clark after Jim Jefferies' exit to Hearts, got off to a great start in his capacity as interim manager, enjoying an eight-game unbeaten streak.

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