1. Activate the Android Power Strip
The single most important feature in Android 2.1 is its built-in power strip widget. Here, you're able to quickly disconnect all the phone's battery-destroying features, like Wi-Fi, Bluetooth and the Great Batter Killer that is GPS. Long-press on the screen and install it via the widgets category.
2. Android call screening
If you're a paranoid call-screener, Android is there for you. Open up the...