The app is a bubble level or just a level, an instrument designed to indicate whether a surface is horizontal (level) or vertical (plumb).
The application is practical, accurate, easy to use and very useful for your Android device.

Characteristic :

- Works in all positions of your device.
- Displays numerical digital readout for ease of use.
- Option to lock device orientation.
- Option to calibrate the level for greater precision.
- Option to change the speed of the bubble.
- Option to play sound when detecting a flat surface (Leveled).
- Option to change the sound.
- Option to vibrate when detecting a flat surface (Level).