Only the current version so far — new entries appear as the app ships updates.
Offline Translator: Bulgarian is a travel & local app by SkyCode Ltd. with 50,000+ downloads (about 58K estimated). +6 installs in the last 7 days. Released Jul 26, 2012. Install growth, rank history, SDKs and ad networks.
From the store listing: “Translate offline voice and text: English-Bulgarian translator and dictionary”