To improve security, we will soon start forcing password resets for any account that uses a weak password on the next login. If you have a weak password or a defunct email, please update it now to prevent future disruption.
Unfortunately, no. There is an application for Android that downloads the necessary sprites from servers and requires a constant Internet connection. There is also a Nutaku game from which you can extract girl sprites. story pages and other sprites. If you need something, write to me, I have made quite a lot of progress in this game.