Yes, the GO:KEYS 5 and GO:KEYS 3 both support Roland Cloud Connect (sold separately).
Using your smartphone and Roland Cloud Connect, you can import additional content data, such as Sound Packs, into the GO:KEYS.
Roland Cloud Connect: Compatible Roland Instruments and Mobile Devices
For detailed instructions, please refer to the "GO:KEYS 5/GO:KEYS 3 Roland Cloud User's Guide".