Following last week's startup contest WISH 2009, Japan just got another event that gave twelve selected tech companies the chance to demo their web services, apps and tools (almost all of which are thankfully available in English). This Friday, around 130 guests attended Tokyo Camp , a demo event organized by TechCrunch Japan.The occasion: The blog, which is one of Japan's biggest and mainly translates articles from TechCrunch into Japanese, is under new management (by a Tokyo-based company called Sociomedia, Japan's anwer to Adaptive Path).Here are my thumbnail sketches of all of the twelve demos I saw at Tokyo Camp.I'vRead by Akky AkimotoOfficially launched at Tokyo Camp, I'vRead keeps a record of all books you’ve read via your Twitter account and lets you find users with a similar taste in books. All you need to do is to type the title of the book (or its ISBN or Amazon URL), add “@ivread” to the tweet and (as an option) write what you thought of it. Each of these tweets will then be automatically added to your personal user page on the I'vRead site (you don't need to register at the site itself, being a Twitter user is enough). Look here for an example.dangodango wants to empower online game creators worldwide to focus more on the development of content and less on the things they have to deal with after a game is finished, especially the distribution problem. The company of the same name offers a comprehensive, integrated framework called “dango-PLAY”. The system delivers online games to a number of social networks (i.e. Facebook or Japan's Mixi) and dango's homepage itself, using a single program and source code (dango is open source ).dango-Play aims at creating an integrated ecosystem for online games by matching users, linking to other games based on the framework, providing SMS services, managing user ID data, freeing developers from tracking user behavior etc. etc.One of the first games that's been released based on the dango system is Facebook app "meromero park", an...