The app supports password protected PDFs, but it's not clear if the app also supports all the other PDF DRM offered by Adobe. I do know that the app also supports bookmarks, zooming, scrolling, copy and paste, and text search.
This app also has an optional slider bar navigation option which works much the same as the one found in the Nook and Kindle apps.
Today's launch follows only hours after the release of new estimates for the smartphone market. Some analysts are projecting that Windows Phone accounted for 5.6% of the smartphones sold in the US in Q1 2013. That's a decent increase on the same period last year (3.8%), but it doesn't tell us anything about the world market.