Clock JB+ is an improved version of the Alarm Clock app included on Jelly Bean (Android 4. 3). New version - pebble/pebble time smartwatch support. BestAppEver Awards 2013 - Second Place: Best Android Personalization App. Features. Digital & analog clock. Alarm. Customizable digital/analog widget. Countdown timer. Stopwatch. Night mode. Lock-screen widgets (only Android 4.