I made version of Godot game engine for OUYA as current official version does not work. It is however based on old 2.1.6 version of the engine. Official editor may or may not work (I haven't tested it...) with these custom export templates.
Source code https://github.com/ville2304/godot/tree/ouya
Export templates https://filebin.net/8hosk93zf40tq08a