The game supports PS4 controller prompts! : r/assassinscreed
How AC4 uses the PS4's Touchpad: Assassin's Creed 4 Black Flag on the DualShock 4 - YouTube
Amazon.com: PS4 Slim Skins - Decals for PS4 Controller Playstation 4 Slim - Stickers Cover for PS4 Slim Controller Playstation Four Slim Accessories Two Controllers Skin - Assassin's Creed Valhalla : Video Games