Sky Tools is an app that combines a tool that is useful to use in everyday life.
Important function
[Tool] ruler, compass, level, noise meter, calculator
Who have Angeles the length of various ones, where the direction from any Knowing compass level that can give me holding a horizontal noise meter can measure the noise of the current location, to calculate a complex formula calculator can.
[Watch] stopwatch
LAP Time is Hakareru stopwatch.
[Life tool] flashlight \ mirror \ QR CODE Reader
Or brightens the dark, flashlight with flashing function can be confirmed even distant place.
Make sure your face, and expansion can mirror.
Check the various QR CODE, moved or result value in the URL QR CODE Reader that can COPY you Yes available.