It tells me if my proximity switch is working
For some new sensors it's not able to get the correct number of values and not able to read the values.
Nice and simple For those that use tool apps such as a bubble level, inclinometer or other axis tilt (for jeeps and whatnot) I think it would be useful to check phone accuracy against precision instruments. Also nice just to know what sensors a phone does have.
Minor bug fixes
Salient Eye turns any phone or tablet into a full mobile security alarm system