Awesome
DevStat
Android application to quickly query device data. This can also be used to help debug the cause of an app not showing in the Google Play store due to your AndroidManifest.xml settings e.g. Camera auto-focus.
I'm no longer listing this in Google Play Store.
Information
Screen Metrics
Width
Height
Display density
Drawable density
Screen size
Software
Android version
SDK Int
OpenGL ES version
Hardware
Manufacturer
Device
Model
Brand
Board
Host
Product
Memory class
Large memory class
Maximum memory
Free space
Vibrator presence
Telephony
Autofocus availability
ABIs
Online Processors
Features
All features available to the device
Crypto
Providers and their set of supported algorithms