Android Froyo (short for frozen yogurt), is the sixth major consumer release of the Android mobile OS.

It is based on version 2.6.32 of the Linux kernel. Froyo, first released on the Nexus One, includes various improvements over previous versions – from new home screen widgets to more efficient data communication and transfer applications.

One of the most prominent changes in the Froyo release was USB tethering and Wi-Fi hotspot functionality.

Other changes include support for the Android Cloud to Device Messaging (C2DM) service, enabling push notifications.

Additional application speed improvements, implemented through JIT compilation and displayed within applications as top-of-the-screen banners.

Android Froyo | Features

New features introduced by Froyo include the following:

  • Speed, memory, and performance optimizations.
  • Additional application speed improvements, implemented through JIT compilation
  • Then, Integration of Chrome’s V8 JavaScript engine into the Browser application.
  • Support for the Android Cloud to Device Messaging (C2DM) service, enabling push notifications.
  • Improved Microsoft Exchange support, including security policies, auto-discovery, GAL look-up, calendar synchronization, and remote wipe.
  • In fact, Improved application launcher with shortcuts to Phone and Browser applications.
  • USB tethering and Wi-Fi hotspot functionality.
  • Option to disable data access over a mobile network.
  • Also, updated Market application with batch and automatic update features.
  • Quick switching between multiple keyboard languages and their dictionaries.
  • Also, support for Bluetooth-enabled car and desk docks.
  • The Support for numeric and alphanumeric passwords.
  • Support for file upload fields in the Browser application.
  • The browser now shows all frames of animated GIFs instead of just the first frame.
  • Also, support for installing applications to the expandable memory.
  • Adobe Flash support, later removed in 2.2.3
  • Support for high-PPI display (up to 320 PPI), such as four-inch 720p screens.
  • Introduced .asec file extension.
  • The gallery allows users to view picture stacks using a zoom gesture.
  • Added JavaScript interrupter in the form of VB 4, later removed in 2.2.3
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