Razer and Gamesir offer excellent mobile controllers with the Kishi and X2
(Android Central)

Best in class Razer Kishi mobile controller for Android $80 at Amazon Pros USB-C connection Build quality is excellent Works perfectly with Android phones Smaller for easier travel Cons Pricey No Bluetooth means it fits less phones Razer prides itself on high-quality products, and the Razer Kishi is no different. It`s by far one of the best mobile gaming controllers you can buy, turning your phone into a Nintendo Switch. It works perfectly with Xbox Game Pass for Android and provides hours of comfort for long gaming sessions. Its USB-C connection also means you`ll never need to charge it. Excellent alternative Gamesir X2 Bluetooth mobile controller $60 at Amazon Pros Bluetooth connection allows for wider phone support Easy to pair More affordable 20-hour battery life Cons Bluetooth connection is more unreliable to USB-C Face button layout Gamesir may not be as well-known as Razer, but its X2 Bluetooth mobile controller can stand toe-to-toe with the co...