You can find some demos in the archives. The press release:
NOVA SCOTIA, CANADA: having turned heads and opened ears with a show-stopping showcase at The 2019 NAMM Show in Southern California, January 24-27, newly-formed Synclavier Digital is proud to announce availability of Synclavier Go! and Synclavier Pocket! — placing a re-creation of the seminal Synclavier® II Digital Synthesizer’s sound engine from which they take their names into the respective hands of iPad and iPhone/iPod Touch owners as awe-inspiring iOS apps, allowing all the famed FM (Frequency Modulation) and Additive (harmonic) synthesis capabilities to be brought forward forty years for all to musically marvel, at a fraction of the original’s prohibitive pricing thanks to today’s technology, while also effectively emulating the iconic instrument’s intuitive panels of easy-to-touch red backlit buttons and iconic control knob in easy-to-use user interfaces — as of March 5…

So how, exactly, did yesteryear’s trailblazing technology that commanded a princely six-figure sum end up available on Apple’s pocket-friendly iOS platform in true needs of the many outweighing the needs of the few style? Simply speaking, when New England Digital (NED) went bankrupt in the Nineties, technology finally having caught up with the cutting-edge company concerned, co-founder Cameron Jones — co-inventor of the Synclavier® — bought the intellectual propriety rights to the trailblazing series of synthesizers and digital audio systems sharing the notable name.