If you’re an iPhone user and you want to watch Playstation 4 videos on your device, there are a few things that you need to do. First, make sure that you have the Playstation 4 video app installed on your iPhone. Next, open the app and search for a video that you want to watch. Once you find the video that you want to watch, tap on it to start playing it. Finally, open the Settings menu on your iPhone and select “Video Output.” From here, you can choose which device should be used to play the video - your Playstation 4 or your iPhone’s screen. ..