In case anyone has downloaded some recent update for some App Store apps and they're now crashing, you may need to trash them and try a new download. Assuming that Apple has actually fixed the problem.
"Dozens of apps have been affected by the bug, including Angry Birds Space, Pinball Maniacs and Dolphin HS Browser…"
Oh, 'Apple' app store... I thought the articles were about the iTunes app store. I've never used the other app store, so it didn't even occur to me it wasn't related.