Android is an open source mobile operating system, bought by Google in 2005. It is the worlds most popular mobile operating system, with a total market share of approximately 88%.
Since 2011, Androids has been the world’s best selling OS with over two billion monthly active users.
Typically, the operating system is written in Java, C and C++.
Android apps are typically uploaded onto the Google Play Store, to allow users to download, install and update on their applications. With to the open source nature of Android system, third party market places also exist to allow for applications not allowed on Google Play Store due to policy violations or other reasons.
Google announces major upgrades to Android on a yearly basis.
THINGS TO CONSIDER WHEN DEVELOPING AN APP:
Choosing the target platform – iOS / Android or both.