Gyan ndiye mutambi ane zvibodzwa zvakawanda kupfuura vamwe vose vechikwata chenyika yeGhana, aine zvibodzwa 51. Akamirira Ghana pa 2006, 2010 uye 2014 FIFA World Cups. Ane zvibodzwa zvitanhatu, ndiye mutambi ane zvibodzwa zvepamusoro muAfrica munhoroondo yeWorld Cup. Gyan akamiririrawo Ghana kuma 2004 Summer Olympics uye mumakwikwi manomwe eAfrica Cup of Nations muna 2008, 2010, 2012, 2013, 2015, 2017 na2019
, achivabatsira kupedza vari pachinzvimbo chechitatu muna 2008 uye mumhanyi muna 2010 na2015.