What is the Difference Between Android 2.2 (Froyo) and Android 4.0 (Ice Cream Sandwich)?

Android 2.2 (Froyo) and Android 4.0 (Ice Cream Sandwich) are two different versions of the Android operating system. Froyo was released in 2010, while Ice Cream Sandwich was released in 2011. Some of the key differences between these two versions include:

Android 2.2 (Froyo):

• Focused largely on performance improvements.
• Features included USB tethering, Wi-Fi hotspot functionality, and the ability to disable data access over the mobile network.
• Supported high-PPI displays (up to 320 PPI) and quick switching between multiple keyboard languages and dictionaries.
• Introduced the now-standard dock at the bottom of the home screen and the ability to perform basic functions like getting directions and making notes by tapping an icon.
• Brought support for Flash to Android's web browser.

Android 4.0 (Ice Cream Sandwich):

• Marked the official entry into the era of a unified user interface for both tablets and phones.
• Refined the visual concepts introduced with Honeycomb and dropped much of Honeycomb's "holographic" appearance.
• Introduced the card-like UI with its take on the Recent Apps list.
• Features included easier-to-create folders with a drag-and-drop style, improved visual voicemail, and the ability to speed up or slow down voicemail messages.

Overall, Android 4.0 (Ice Cream Sandwich) introduced a more refined and unified user interface, while Android 2.2 (Froyo) focused on performance improvements and new features for mobile devices.

Comparative Table: Android 2.2 (Froyo) vs Android 4.0 (Ice Cream Sandwich)

Here is a table comparing the differences between Android 2.2 (Froyo) and Android 4.0 (Ice Cream Sandwich):

Android 2.2 (Froyo) was primarily focused on performance improvements and bug fixes, while Android 4.0 (Ice Cream Sandwich) introduced a new, unified user interface for both tablets and phones, as well as significant enhancements to the camera and navigation features.