Cocos2Dx is a popular free cross platform game engine written in C++, searching the web I found a port of Cocos2dx 2.2 to Delphi. If it can be ported to Firemonkey it would be fantastic. It seems like this port works in Delphi for win32. I did test it in Delphi XE6, the 2 Demos worked as expected, at 60 fps.
Repository for the Delphi XE5 source code is here: