Reddit reviews GameSir F1 Grip Game Controller Mobile Joystick Gamepad, Ergonomic Design Handle Holder Handgrip Stand for PUBG Fortnite Red Dead: Redemption, Support 5.5''-6.5'' Smartphone (Black)

✔ Compatible with all touch-screen smartphones. The telescopic boom design allows you to adapt to any size of the smartphone, even it’s an adjustable smartphone case.✔ The handle grip has an ergonomic design and comfortable feeling to relax your hand fatigue for the long-time gaming.✔ The conductive material stick-on joystick gives players the great physical manipulation, providing precise controlling on the in-game characters, and can deal easier with more complex positioning.✔ The joystick comes along with a unique swing arm design, just install it on the right or the left side for your hand preference.✔ Perfect for any game that has an on-screen control pad such as Pubg games, Fortnite, Mobile Legends, Arena of Valor, FIFA, Dragon Nest SEA, GTA and etc.