Let's all get real for a hot second: everyone poops. It's okay. No need to alert the press. They already know. They poop too. If you're regular, you probably poop every day. (If not, Jamie Lee Curtis can help you fix that). Most human beings spend well over a year of their lifespans answering nature's call. Being the industrious creatures humans are, we aren't going to let all that time go to waste. As smart phones became increasingly popular, we started ditching Reader's Digest for time-killing apps to occupy our time while we occupy the toilet. Here are five mobile games to play on the loo.