It's a level? It's a compass? It's a ruler?
It's SuperBubbleLevel for Android!!
SuperBubbleLevel is a versatile tool that combines a cross check bubble level, a compass, and a measuring ruler. Bubble level is accurate to a fraction of inch. It can level both planes of most surfaces at the same time. It can also be used as a plumb to ensure a surface is vertical. It is self-lit and very useful in low light environment. Bubbles in the vials can be locked for reading, which is not found in conventional level. This feature makes it particularly useful in confined space where direct reading is not possible.
SuperBubbleLevel is a perfect tool for small home improvement job, DIY project, leveling pool table, hanging pictures ... And it is a must have for camping and outdoor activities. It should be in anyone's collection of outdoor wilderness survival gears.
Bubble level is also called spirit level, carpenter's level, mason's level, torpedo level...