I recently ran into an interesting problem.  Running an iOS game caused it to just crash back into the home screen.  What was the problem?  It turned out that I was running too many applications at once.  Beginning with iOS 4 with multitasking, apps don’t automatically close.  You can force an app to close according to Apple’s website by:

Follow these steps to force an app to close:

1. From the Home screen, click the Home button twice.
2. Tap and hold on the app.
3. When it starts to jiggle, tap the to close it.

Repeat this process until you have closed out of all other apps.  (You also have the choice of restarting your iDevice).  Now go ahead and try opening up that that troublesome app.  Chances are it will now be happy to run and not crash on you.  YAY!

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