Press and hold the PS and Share buttons on your DualShock 4 until it enters pairing mode (shown by the flashing white light bar on the back of the controller). Open your Android phone's Settings app.
Grand Theft Auto V The Witcher 3 - 02:04 Project Cars 2 - 04:03 Assassin's Creed Origins - 06:11 Kingdom Come Deliverance - ...