What's the best Android app for playing PlayStation 2 games with full controller integration?

DamonSX2 Pro is a dedicated PS2 emulator for Android that enables users to play a wide range of PlayStation 2 titles on their mobile devices. It stands out for its reliable performance, with many users reporting that games run smoothly without significant frame drops or lag. The app fully supports external controllers, including vibration feedback, which replicates the tactile experience of the original console. Features like save and load states allow for easy progress management, while battery optimization modes help extend gameplay during commutes or travel. Real-world scenarios include playing classics like 'Kingdom Hearts' or 'Metal Gear Solid' on the go, making it ideal for retro gaming enthusiasts. However, some limitations exist; accessing settings such as memory card configuration or graphics resolution often requires booting a game first, which can be inconvenient. Reviews also indicate occasional save data issues in certain cases. Despite these quirks, the emulator's strong compatibility and user-friendly controls make it a worthwhile choice for Android-based PS2 emulation.