Japanese eroge studio Moonstone (known for Gift, Clear and Angl Ring bishojo games) has implemented Twitter functions into their last h-game release AngelRing.
In fact it`s first time then someone trying to make online community around single player game. At the moment Angel Ring de facto has fully functional Twitter client,  so game users can post messages and read tweets without leaving the game. Such technology allows fans discuss and share their experiences with the game online making game much interact.

Current function list:
- Tweet
- Reply
- Tweet about the current scene (function to copy and paste the text)
- Grab tweets about the game or about the eroge company
- Playback the voice from the particular scene that somebody tweeted about
- Play the particular scene that somebody tweeted about
- Automatic font size change according to the number of words
- Check links

Source: Canned Dogs

Related posts:

1. Hentai Otaku now on Twitter! A… Hentai Otaku now on Twitter! Also...
2. Katamikoi Mizue – Furachi na Ring (hentai manga) Download: Furachi na Ring Size: 66 Mb....
3. Best eroge (h-game) of 2009 by 2ch Each person could vote for up...