Su checker app for android description: This application checks your smartphone for superuser functionality.
Quot if you ve ever attempted to root a device prone to difficulties or requiring a trial and error type exploit (the motorola droid x or t mobile mytouch 3g slide for example) then you know how easily it can go wrong.
Sometimes the operation fails and you end up with the superuser app installed but without actual root file system access.
A quick search for lost root on our forums yields an astonishing 274 000 results.
Almost all the visible results link to posts where forum members believe they have lost root access usually due to updating a rom or accepting an over the air update.
Xda member android owl has created an app to help out in these all too common situations.
Su checker searches for and identifies superuser binaries on your device in a flash.
It can help check for root if you suspect you may have lost permissions.
This great little diagnostic tool and time saver can be found in the release thread or on the android market here.
Give it a try the next time and let the developer know what you think!
Quot xda 13 02 2012