Don't want to be a FOOL just use this app before buying a used phone

You want to purchase a used phone, and want to confirm about its specification.

- Processor info ( Cores, Max Frequency, Real Time Frequency, etc... ).
- Device info ( Android version, Kernel, Compilation, etc... ).
- Graphics Processing Unit info ( GPU, OpenGL, Vertex and Texture Units, etc... ).
- Audio Chipset Info ( Audio Chip, Audio Codecs, Radio Chip, Audio Modes, etc... ).
- RAM Memory info ( Total RAM, Avaiable RAM etc... ).
- Storage Space info ( Internal, External, SD Card, etc... ).
- Display info ( Screen Resolution, Screen Size, Density, Refresh Rate, etc...).
- Camera info ( Megapixels, Flash Modes, Focal Length, Focus Modes, Effects, etc... ).
- Temperature info ( System temperature and Battery Temperature ).
- Battery info ( Battery level, status, type, etc... )
- Sensors info ( Accelerometer, Orientation, Magnetic Field, GPS, Light, Gravity, etc... ).