Compatible with Android/IOS System : This mobile phone game controller compatible with android system 6.0 or above devices with 2 kinds of modes:Direct Play Mode and Android Standard Mode.Since this is the latest updated version,the controller also working with IOS system 11.0 or above devices with Direct Play Mode. Support 2 Different Modes: Android Standard Mode only support on Android system devices,no need any other settings just connect and play on this mode,but only support few games.Direct Play Mode both support on Android and IOS system device.Support much more games on this mode and support remapping the buttons on "Shooting Plus V3" APP. Mobile Phone Dimension Limits: Fit for the vast majority of mobile phones in the market. The maximum length limit for the mobile phone devices is 6.2 inch, please make sure the length of your phone within 6.2 inch before purchase just in case it can not be fitted for the extendable game controller.