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From victor bajada:
How To Use Sound Effects Pro Free: This app has 48 different sound effects to play with it is really funny to play with sound effects there is also the feature vibrate when you tap any sound effect there is an other feature called loop what it does is when you turn on the loop feature tap any sound effect and it will repeat over and over... and last feature is icon effect what this feature does is when you turn it on sound effect image it will shake you can also adjust the volume to your preference. Enjoy it!! Make Sure to Rate it!! Thanks!!