Android Jelly Bean (Android 4.1, 4.2, 4.3) was released starting in July 2012 and focused on performance with Project Butter.
Key Features
- Project Butter for smoother UI (60fps rendering)
- Google Now intelligent assistant
- Expandable and actionable notifications
- Offline voice typing
- Multi-user support on tablets (4.2)
- Quick settings panel
- Photo Sphere panoramic photos
- Bluetooth Smart support (4.3)
Project Butter
Project Butter improved Android's touch responsiveness and animation smoothness by increasing the frame rate to 60fps and adding vsync timing.
Related Android Versions
- Android Ice Cream Sandwich (4.0)
- Android KitKat (4.4)
- Android Nougat (7.0)
