Is android licensed

[sudhaapple4]

Anyone can share some information like..
Is android a free software
Would we have copyright issue down the line
Can we develop very rich user interface using android itself...
Can we develop high level mobile app using android itself with out integrating with other technologies...For example is android itself suffice to develop an Amazon like app

Pls share some information on above

 

[psionandy]

As with most things it depends on what components you're using...


https://source.android.com/setup/licenses