You can connect a PS4 controller to your Android phone or tablet through the Android's Bluetooth menu.
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How to Connect a PS4 Controller to an Android Device
OIVO PS4 Controller Phone Mount Clip for Rmote Play, Mobile Gaming Clamp Bracket Phone Holder with Adjustable Stand Compatible with Dualshock 4 /PS4 Slim/PS4 Pro Controllers : Video Games
How to Connect PS4 Controller To Android
How to Connect a PS4 Controller to Android
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