25% battery

Announces when your battery drops below 25%

Maps launch -> GPS on

Can't stand it when the Maps app immediately asks you if you want to enable GPS? Shut it up!

Walgreens app

Helps when scanning a barcode at checkout by cranking up the brightness a bit.

Maps exit -> GPS off

Turns GPS off when leaving Google Maps. Saves a bit of battery!

Screen off = data off

Disables data when screen is off, conserving battery and your data limit

Low battery = screen dimmed

Dims the screen when battery level is below 25%