Just thought I'd post that Lego Star Wars: The Force Awakens works perfectly with loading times similar to the retail disc, and here's why - the whole game seems to be stored in 3 or so .DAT files of 1.5 to 2GB in size! The lack of little tiny files really does us a favour.
Also, Mighty No.9 works by by default boots in Japanese on a Japanese regardless of region game. To switch to English (or another language), go to ジェネラルオプション on the main menu (second option), then その他 (right hand tab). テキスト言語 switches the text language (English, French, Italian, German, Spanish, Russian, Portuguese, Japanese), and 音声言語 switches the voices (English, French, Japanese.)