We couldn't think of too many business uses for this one, but it sure is a cool app. AutoRap for Android turns ordinary spoken words -- rhyming or otherwise -- into a contemporary rap song complete with music and percussion. This one has to be tried to be believed. AutoRap would certainly be great fun at parties, and might also amuse clients with whimsical theme songs that repeat their company name, slogan or philosophy. Download for Android for free.