They are compatible with any iPhone or Android smartphone. Such accessories are convenient for watching videos from your phone, as well as gaming with an external controller, among other activities, so long as you don’t mind the reduced screen sharpness.On your device, open the Settings app . Magnification. Switch to magnify full screen or partial screen.The phone magnifying screen works just like a phone projector screen smartphone magnifier will reduce visual fatigue, and can reduce radiation, Protect your eyes.