According to Google, this is its thirteenth and most ambitious release of Android.
It has over 5,000 new application program interfaces (APIs) and to work on all devices.
Lollipop, it says, has a consistent design across different devices. It also has features that lets you filter notifications so that if you’re doing something and you don’t want to be disturbed, you’ll see only the people you decide to let through.
It also includes a new battery saver feature which it claims will extend the life of a gadget by up to 90 minutes. Android 5.0 Lollipop also now includes multiple user accounts, guest user mode, and PIN passwords.