Simulations used to give PC owners the chance to prove just how dour and serious they were. Simulations used to give PC owners the reasons to justify shelling out large quantities of cash for their expensive rigs. Well, most of the time, anyway. And while it might seem that these realistic simulacra would be poor fits for mobiles - requiring bags of computing power and complex input devices - they're actually proliferating on Android & iOS. After all, the modern mobile packs a walloping great processor and a hugely versatile touchscreen. You just have to get the user interface right. So, here are ten simulation games that we feel you should download immediately onto your Android & iOS device. Though some are undeniably more realistic than others, all are worth your time. Games List :-. Airline Director 2. iOS :-.