Steam Link

The Steam Link app brings desktop gaming to your iPhone or iPad. Just pair an MFI or Steam controller to your device, connect to a computer running Steam on the same local network, and start playing your existing Steam games.

Requirements:
* iPhone or iPad using iOS 11.0 or higher
* Computer running Steam - Windows, Mac, or Linux
* iOS device must be on the same local network as the computer running Steam

For best performance:
* Connect your computer using Ethernet to your 5Ghz WiFi router
* Connect your iOS device to the 5GHz band of your WiFi network
* Keep your iOS device within a reasonable range of your router