In prior versions of stock Android, the standard lock screen shortcuts were typically camera on the right and either phone or voice on the left. (androidauthority.com)
The 1.5 update seems to have made the finger - swipe a lot easier to master than it was in prior versions. (the-ebook-reader.com)
If that's true, then this version doesn't feature the original game soundtrack, unlike prior versions of the game for PC. (shacknews.com)