Extremely useful information here. A naive way to approach cross platform architecture would be to work at a higher level of abstraction like working in a Domai

Extremely useful information here. A naive way to approach cross platform architecture would be to work at a higher level of abstraction like working in a Domain Specific Language or pick a language with a good set of cross-compilers for various targets. Lisp might encourage the first approach and Haxe follows the second.