Numerically, going from version 3.2 of an app to 4.0 makes much more sense than starting at 1.7. But, Pandora won't let a little thing like logic stand in its way. Today both the iOS and Android editions of the internet radio app are being updated to 4.0, regardless of the latter's lagging version number. 4.0 brings with it a significant refresh of the UI which Pandora bills as "uniform," though we'd call them feature equivalent instead. "Uniform" implies that the apps look exactly the same, when in fact they adhere to the to the design language of their respective platforms.
Engadget , Pandora app gets major redesign on Android and iOS with new social features, Pandora app gets major redesign on Android and iOS with new social features