Android is a mobile operating system developed by Google, based on the Linux kernel and designed primarily for touchscreen mobile devices such as smartphones and tablets.

2. Tables Of Content
 History
 Features
 Applications
 Hardware
 Development
 Update Schedule
 Android Versions
 Source

3. History
 The version history of the Android mobile operating
system began with the public release of the Android
beta in November 5, 2007..
 The first commercial version, Android 1.0, was
released in September 2008.

4. Features
 Messaging
 Web browser
 Voice-based features
 Multi-touch
 Multitasking
 Screen capture
 TV recording
 Video calling
 Multiple language support

5. Applications
 Applications, which extend the functionality of
devices, are written using the Android software
development kit (SDK) and, often, the Java
programming language.
 Android software development is the process by
which new applications are created for the Android
devices operating system

6. Hardware
 The main hardware platform for Android is the
ARM (ARMv7 and ARMv8-A architectures), with
x86, MIPS and MIPS64, and x86-64 architectures
also officially supported in later versions of
Android.
 Requirements for the minimum amount of RAM
for devices running Android 7.1 range from in
practice 2 GB for best hardware, down to 1 GB for
the most common screen, to absolute minimum
512 MB for lowest spec 32-bit smartphone.

7. Development
Android is developed by Google until the latest
changes and updates are ready to be released, at
which point the source code is made available to the
Android Open Source Project.
In 2007, the green Android logo was designed for
Google by graphic designer Irina Blok

8. Update Schedule
 Google announces major incremental upgrades to
Android on a yearly basis. The updates can be
installed on devices over-the-air.
 The latest major release is 7.0 "Nougat", announced
in March 2016,and released the following August

9. Android Versions

10. Source
https://play.google.com/store/apps/details?id=abhiandroid.
com.ultimatewebview
https://en.wikipedia.org/wiki/Android_(operating_system)