Concept:
The Android operating system was developed by Google for use in all of its touchscreen devices, tablets, and cell phones. This operating system was first developed by Android, Inc., a software company located in Silicon Valley before it was acquired by Google in 2005
The first public release of Android 1.0 occurred with the release of the T-Mobile G1 (aka HTC Dream) in October 2008. Android 1.0 and 1.1 were not released under specific code names.
Android name with their respective versions
| Name | Version Number |
| No official name | 1.0 |
| No official name | 1.1 |
| Cupcake | 1.5 |
| Donut | 1.6 |
| Eclair | 2.0 - 2.1 |
| Froyo | 2.2 - 2.2.3 |
| Honeycomb | 3.0 - 3.2.6 |
| Icecream Sandwich | 4.0 - 4.0.4 |
| JellyBean | 4.1 - 4.3.1 |
| Kitkat | 4.4 - 4.4.4 |
| Lollipop | 5.0 - 5.1.1 |
| Marshmallow | 6.0 - 6.0.1 |
| Nougat | 7.0 - 7.1.2 |
| Oreo | 8.0 - 8.1 |
| Pie | 9 |
| Android 10 | 10 |
| Android 11 | 11 |


