He joined his teammates to undergo some training drills-push ups, runs and rehearsed on tactics.
Asamoah Gyan joined the Turkish Super Lig outfit earlier this month on a free transfer after his contract with Chinese side Shanghai SIPG ran out.
The 31-year-old had to take a salary cut to join the Kayserispor. It is reported that the Black Stars skipper will earn above $500,000 per annum.
Gyan left Ghana on Wednesday day night after commissioning the $200,000 astr-turf facility on the Accra Academy School campus.
Kayserispor will start their campaign against giants Galatasaray away on 12 August.