Spirit Level Bubble Level for Android

A free app for Android, by IAProject.

This handy tool is a perfect app for anyone who needs to level or check the angle of a surface, whether it's a table or a piece of furniture. It's very easy to use and, once you've installed it, you'll never have to do it again.

To assess the accuracy of the plane, the spirit level—which is used to determine the proper plane both vertically and horizontally—is brought to the designated region inside the scale lines.

It's compatible with most vehicles and you can even use it as a water scale.