Smartphones provide for us a plethora of functions, and increasingly, we're utilizing them for the purpose of taking photos and shooting video clips. Now there's certainly not a shortage of image-editing utilities available over at the App Store for those on an iPhone, iPad, or iPod touch, but when it comes to video, the selection is decidedly less rich. If you've been looking for a way to spice up your boring video clips, Strum for iOS might just be of interest for you, since it quickly turns 15-second video clips into fun music videos.