Для тих, хто хоче вивчати Android

Книжки по Java:
Философия Java. 4-е издание — Брюс Эккель
Effective Java, Joshua Bloch

Android:
Training course: developer.android.com/training/index.html
Professional Android Application Development (Wrox Programmer to Programmer)  Meier, Reto
Wei-Meng Lee - Beginning Android Application Development