Es un sistema operativo (OS)
Instalación: https://developer.android.com/studio
https://www.youtube.com/watch?v=5LMRbAiRkdY
https://www.youtube.com/watch?v=RVP5kJiwfDo
Tutoriales: https://www.tutorialspoint.com/android/android_hello_world_example.htm (hello word)
https://www.youtube.com/watch?v=dFlPARW5IX8 (android studio for beginners)
https://www.youtube.com/watch?v=V7tPLlnA5Ms (listview)
https://www.youtube.com/watch?v=2LtObBTF9CM (bottom navigation bar in android studio)
https://codelabs.developers.google.com/codelabs/build-your-first-android-app/#0 (first android app)