Admit it, you play video games too, just like pretty much every other smartphone owner out there. And even if you don't play on a regular basis, you have most likely tried some of the more popular titles just to see what they are all about. But have you ever wondered what video games were like some 20 or even 30 years ago? They weren't as flashy, that is for sure, as the hardware that they ran on was nowhere near as capable as your average contemporary smartphone. However, those old school video games could be just as entertaining as the ones played today. That is why we have picked 10 retro iPhone and Android games that we think are worth checking out. Care to see what is on our list? Just flip through the slideshow below to find out.