is one of the international artists of the non-profit global organization for music, culture and cultural diplomacy (EMMA for Peace), under the patronage of UNESCO and with Riccardo Muti, as honorary president. Franko is included in the Hübners encyclopedia "Who is Who" 2012, which contains a list of significant people from the fields of economics, politics, science, culture, art and sports. In 2017, at the Royal Academy of Music in London, the Academy's special prize committee awarded him the honour of an Associate Member of the Royal Academy of Music in London (ARAM).
In 2014 he recorded the concerto for accordion and string ensemble by Charles Camilleri for NAXOS Classical Records. As a soloist he has performed with the Karlovy Vary Symphony Orchestra, the London Royal Academy Orchestra, the Malta Philharmonic, the Kaliningrad Philharmonic, the Österreichische Symphoniker, the State Symphony Orchestra of Arad, the Winter Green Orchestra, the Croatian Chamber Orchestra, the Oregon Music Festival Orchestra, the Portland Civic Orchestra, the Lugansk Philharmonic, and as a member of London Sinfonietta, the Royal Philharmonic Orchestra, Ensemble 10/10, the Manchester University Symphony Orchestra, Estonian Sinfonietta and the Symphony Orchestra of HRT.
His performances were broadcast on BBC Radio 3, BBC Scotland, RAI 3, ORF radio OEI, LRT (Lithuanian national radio), Radio Beograd 3 and others. He has played in many prestigious halls: Smetana Hall in Prague, Oriental Arts Center in Shanghai, Queen Elisabeth Hall in London etc. He has featured with eminent artists such as JC Domenech (Protégé of the legendary Sir Colin Davis), G. Benjamin (Commander of the Order of the British Empire), G. Carpenter (author of The Wicker Man), S. Hauser, D. Ashkenazy, M. Tarbuk, E. Sakpinar etc. He studied in Croatia and in the UK at the Royal Academy of Music in London. Currently he teaches at the Academy of Music in Pula