Android's best kept secret came out at their I/O event. Froyo is unveiled and is 2 to 5 times faster than Eclair. Some of the other features of Froyo are listed below.
Improved security with the addition of numeric pin or alpha-numeric password options to unlock device. Exchange administrators can enforce password policy across devices.
Remote wipe: Exchange administrators can remotely reset the device to factory defaults to secure data in case device is lost or stolen.
Exchange Calendars are now supported in the Calendar application.
Auto-discovery: you just need to know your user-name and password to easily set up and sync an Exchange account (available for Exchange 2007 and higher).
Global Address Lists look-up is now available in the Email application, enabling users to auto-complete recipient names from the directory.
Multi-lingual users can add multiple languages to the keyboard and switch between multiple Latin-based input languages by swiping across the space bar. This changes the keys as well as the auto-suggest dictionary.