The Android operating system is a mobile operating system that was developed by Google (GOOGL​) to be primarily used for touchscreen devices, cell phones, and tablets.

Why is Android so popular?

Android’s popularity is mainly due to being ‘Free’. Being Free enabled Google to join hands with many leading hardware manufacturers and bring out a really ‘smart’ smartphone. Android is Open Source too.

What is unique about Android?

Android phones also have unique hardware capabilities. Google’s OS makes it possible to remove and upgrade your battery or to replace one that no longer holds a charge. In addition, Android phones come with SD card slots for expandable storage.