It is a application that Compass & Leveler package using sensors on device.Simple and easy to use application.No more asking to other when you locating plant pot direction or hanging a picture frame on a wall.Main Function. - Various Design : It has various kind of Compass design. - Indicate Current rocation at Compass Mode. - Change Origin : Easy to measure relative gradient using Set Origin button at Leveler Mode. - Hold and Restart : Easy to read using Hold and Restart button at Leveler Mode.Caution. - The result may differ from real North or Flat depends on device's sensor accuracy.