No controller support for Fortnite and PUBG? No problem! Use this lifehack to add trigger buttons to your phone!

How? Well, it requires either a special clip-on device that you can buy or a do-it-yourself lifehack contraption.
The clip-ons we are talking about can be seen on the picture to the right. They basically latch onto the phone and have a thin metal plate running throughout them. The metal plates are exposed at the top, where your index fingers would rest, and also make contact with the display. When you tap the top of the clip-on, the metal plate acts as a conductor for your touch and interacts with the touchscreen. All you need to do is open up the game's control customization options and place your "aim" and "shoot" buttons under the clip-on contact points.
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Buy on Amazon ($10.99)
The do-it-yourself way
OK, so you want to test this out for yourself, or you are still waiting for your order to arrive. No trouble, you can make your own trigger buttons at home. All you need is aluminum tinfoil and scotch tape — common household items. You need to cut out a small piece of aluminum and fold it so it can touch your phone's screen and go around to the frame (or to the back of the phone, if that's more comfortable for you). Then, you tape the foil in place and you are ready for your gaming session!
There are a number of instructional videos on YouTube on how to do this. Here's a good one that really shows you all the steps:
And there's one that went beyond the rather inelegant scotch tape method and actually went all the way to making home-made clips, which function like the ones that are for sale:
Other modders have made it using hairpins, clothesline clips, and others. Just anything that will hold the foil over your phone's screen and let you tap on it on the other end. Whatever you come up with, make sure it doesn't scratch your screen!