An application for a mobile phone that does nothing more than flatulence sounds. It also generally describes any mobile phone application that is overpriced and useless.
"what the hell is that funky smell?"
"my ass. sorry, i've been munching fartapples all morning"
"fresh homemade fartapples! get them while they're mediocre at best"
"What a lovely picnic. could somebody pass the fartapples please?"
"did you know that fartapples were invented by stalin, john wayne gacy and darth vader, and the scottish are almost definitely not actually responsible for them?"
"wow! they're due an apology!"