Features: • High-performance GBA emulation with libretro mgba core • Dual control modes - Normal and Arcade • Full gamepad support - Auto-detect controllers with customizable button mapping • RetroAchievements integration - Unlock achievements, Rich Presence • Cover management - Automatic cover matching and caching • Video render filters - LCD, scanlines, bilinear, HQ2x • Audio settings - Mute audio on speed up, achievement sound effects • 24 language support - Full internationalization