It retains the game difficulty and MP System from the original Famicom version .
Square Enix planned to release this version for North American mobile phones in 2006 , but it was delayed to 2010 and released in collaboration with Namco .
Square Enix retains the game difficulty and MP System from the original Famicom version .
Square Enix planned to release this version for North American mobile phones in 2006 , but it was delayed to 2010 and released in collaboration with Namco .