New Moon Finder is a utility to assist in finding the new moon in the beginning of every Lunar month. Seeing the new moon is hard since the moon is tiny and dim, unnoticeable from the sky background. The application calculates the moon location and guide you to the correct place in the sky.
For accurate results you need to calibrate your compass
To do this you need to rotate the device in the number 8 shape
Or search on Google "Compass Calibration on Android"