Well, if you're using 3.5-2381 or newer and is using the default behavior of global user directory, copying all content from DolphinEmulatorPortable\Data to My Documents\Dolphin Emulator should do the trick...
The sync feature would need an separate app from doing that, implementing this directly in the portable launcher would prevent Dolphin from being officially released at PortableApps.com in a near future due some restrictions and guidelines they impose on the official launchers...
The sync feature would need an separate app from doing that, implementing this directly in the portable launcher would prevent Dolphin from being officially released at PortableApps.com in a near future due some restrictions and guidelines they impose on the official launchers...
Avell A70 MOB: Core i7-11800H, GeForce RTX 3060, 16 GB DDR4-3200, Windows 11 (Insider Preview)
ASRock Z97M OC Formula: Pentium G3258, GeForce GT 440, 16 GB DDR3-1600, Windows 10 (22H2)
ASRock Z97M OC Formula: Pentium G3258, GeForce GT 440, 16 GB DDR3-1600, Windows 10 (22H2)