Delta Legacy is a specialized version of the Delta emulator, utilizing "legacy" emulator cores like melonDSThis iteration of Delta allows users to import old melonDS save states, seamlessly continuing their gameplay. Supported game systems include Nintendo DS (melonDSDelta Legacy offers extensive controller support, allowing users to connect various controllers like Nintendo Switch Pro, PS4, Xbox One, MFi game controllers, and more. Users can save and load states, prevent accidental overwrites, and quickly save/load with a single button press. Additionally, Delta Legacy provides cheat code support, custom controller skins, a hold button feature, fast forward option, and 3D/Haptic Touch functionality.