play on flashpoint, it emulates a web server to bypass site locks. Alternatively you can download the ninjakiwi archive collection
iOS doesn't have hundreds of devices we have to make the game work with. Even then, SAS4 was out on Android before iOS. It's not a simple task, making a game.
Anyway, game is out on Android now :) https://play.google.com/store/apps/details?id=com.ninjakiwi.monkeycity