Currently the Piaggio MultiMedia Platform, latest version 3.5.1 (August, 2018) works on the following in no particular order:

X10 125

X10 125 ABS/ASR

X10 350

X10 350 ABS/ASR

X10 500 ABS/ASR

MP3 300

MP3 500

MP3 500 ABS/ASR

MP3 300 ABS/ASR

VESPA 946 125

VESPA 946 150

VESPA GTS 125 ABS/ASR

VESPA GTS 300 ABS/ASR

LIBERTY MY2015 125CC

LIBERTY MY 150CC

MEDLEY 150CC

MP3 300 EURO4

MP3 500 EURO4

BEVERLY 300 EURO4

BEVERLY 350 EURO4

VESPA GTS 300 EURO4

LIBERTY 50CC EURO4

MEDLEY 125CC