This Guy developed the basic game engine for Helbreath Mobile... If your Interested in taking up the project an its dream in its development I am sharing this information for everyone to see... I have tested it on Unity you can move left to right up an down.. You would have to extract everything into unity... Sprites/tiles.etc an code the systematic s using C# or use C++ snippets Have a great day..
https://github.com/HelbreathMobile/Client
Subject: Helbreath Mobile Source 