Which emulation frontend should I use?

RetroArch is the most comprehensive but has a learning curve. AetherSX2 handles PS2 on Android. Standalone emulators (PPSSPP for PSP, Dolphin for GameCube) often outperform RetroArch for specific systems.

Can these handhelds play modern mobile games?

Android-based handhelds can run any Play Store game with controller support. Linux-based handhelds cannot run mobile games — they're emulation-only devices.

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