a superb diagnostic tool This is a good and superb diagnostic tool to use and is quite simple intelligent information about your phone and runs a full diagnostics that you need or you can go to the basics but prefer to do full because for diagnostics is best to check out your phone and hope that there will be updates for more improvement and the phones get more advanced and thank you.
Useful I gave 4 stars cause its a good app for a hobbyist developer but mostly because he has a great since of humor.
Crashed on my Nexus 5 when I ran the microphone test.
Having some permission trouble on note 5, can't see gps for lack of fine location.
Retired ibm system eng Great app
Most test didnt work
I did some bug fixes and improvements.
More new feature will come soon :)