What is Android:-
Android is an open source and Linux based operating system for mobile
devices such as smartphones and tablet computer.Android was developed by
the Open Handset Alliances, led by Google in October 2003.

Features of Android:-
Most important features of Android are given below

  1. It is open source
  2. Anyone can ncustomize the Android Platform
  3. There are a lot of mobile application that can be chosen by the
    customer using Google Play store.
  4. Android provides most interesting feature of weather details, live tv,
    Free sms, calls SQl, Bluetooth, Wifi etc.

Categories of Android Application:-

  1. Tools
  2. Entertainment
  3. Educatuion
  4. Productivity
  5. Music, Audio, video
  6. Social
  7. Online Book Travel, Air Etc

History of Android:-
History of Android is very Interesting. there are lot of version and names

Android Versions, Code names and API Level

Version Code name API Level
1.5 Cupcake 3
1.6 Donut 4
2.1 Éclair 7
2.2 Froyo 8
2.3 GingerBread 9 and 10
3.1 and 3.3 Honeycomb 12 and 13
4.0 IceCream Sandwich 15
4.1, 4.2, 4.3 Jelly Bean 16, 17, 18
4.4 KitKat 19
5.0 LolliPop 21
6.0 Marshmallow 23
7.0 Nougat 24