How do I get my LG Optimus V apps to Launch good?

I recently got an Lg Optimus V phone. I must have done something to mess it up because I looked up videos of apps in the Optimus V and when someone launches an app, it launches very smoothly, in a awesome way. When I launch an app on my phone, the app just appears on the screen. Can you tell me the problem P.s I think it was because I downloaded launcher pro. But when I switch back to the old launcher it does the same thing.

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