From Clomosy Docs
function Clomosy.PlatformIsTurkish :Boolean;
It provides access to the system language. If the device's language is Turkish, it returns True; otherwise, it returns False.
Example
var
isTurkish : Boolean;
{
isTurkish = Clomosy.PlatformIsTurkish;
if isTurkish
ShowMessage('The application language is Turkish.');
else
ShowMessage('The application language is English.');
}