Only the current version so far — new entries appear as the app ships updates.
IT専門ニュース - ITmedia for Android is a news & magazines app by ITmedia Inc. with 100,000+ downloads (about 289K estimated). Rated 3.7 from 3.6K ratings. Released Jan 19, 2011. Install growth, rank history, SDKs and ad networks.
From the store listing: “IT-related latest news I read or offline! About 20 million people monthly to read from gadgets to Web service is an application of the news site "ITmedia".”