It's called "Screen Filter". It lets you reduce your screen's brightness beyond what the built-in Android brightness control provides. I've been finding it useful for reading ebooks at night. The screens on the devices these days are just too bright!
Edit: If you want to download the APK directly, see this post.
I'm Brett Slatkin and this is where I write about programming and related topics. You can contact me here or view my projects.
17 November 2010
About
I'm the author of the book
Effective Python. I'm a software engineer at Google (currently in the Office of the CTO) where I've worked for the past 19 years. Follow @haxor on Twitter
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