According to sources, Android 5.0 will be optimized for tablet PCs, although Google will also integrate Google’s Chrome OS functions will also integrate a feature that lets vendors choose to adopt only Android 5.0 or install Android 5.0 as a dual-boot alternative to Windows 8 tablets. Said system will enable users to switch between operating systems without shutting down the device. Check out how long it took Google to release the different versions of Android below:
Android 1.5 to Android 1.6 – 5 months
Android 1.6 to Android 2.0 – 1 month
Android 2.0 to Android 2.2 – 7 months
Android 2.2 to Android 2.3 – 7 months
Android 2.3 to Android 3.0 – 2 months
Android 3.0 to Android 4.0 – 8 months
