Sorry iPhone users, it seems that Apple is not very happy about the Steam Link app on the Apple App Store. The Steam Link app allows you to stream your Steam games to your phone so you can enjoy your PC games anywhere as long as Steam is open on your desktop.
Apple approved the app on 7th May but on 10th May, Apple retracted their approval saying that the app is a business conflict with the app guidelines that were not realized by the original review team. Steam did send an appeal stating that i is just a LAN-based remote desktop app which is similar to the many other apps on the store the functions generally the same. However, Apple has put their foot down and still denied the app from appearing on the App Store.