As for the "ShootingPlus V3" app, it does not support iphone system updated to above 13.4 now. If you want to experience the gaming fun offered by this controller, please don't update your iphone system to 13.4 now. We will solve the compatibility problem of the new system as soon as poible.Mobile Mame Controller compatible with Switch/ Switch Lite, iOS 13 or later, Android 8.0 or later, Windows 7 or later, Android TV box.Note: PC via usb cable, Switch/Switch Lite/Mobile Phone via only by Bluetooth. Features 1. For Android /iOS/PC Windows Device 2. the game controller support virtual key mapping function 3. Wirele controller with dual vibration, portable cell phone holder 4. Ergonomically designed, the design allows you to use it for a long time without feeling tired.Comes with a retractable stand, easily fix your phone, allowing you to enjoy games on the move