I found this result http://csgrid.org/csg/result.php?resultid=13511530
It was on an ARMv7 processor running Android 3.0.31-1304014-user
The task failed with a computation error.
Not far into the output are errors:
Error opening workunit: ../../projects/boinc.thesonntags.com_collatz/micro_collatz_2399303257690906558464_8589934592
Further down there is:
Collatz Conjecture v6.00 Stock for Android
Running Collatz Conjecture (3x+1) application based on version 1.2 by Gipsel
Reading input file ... Error opening workunit
11:38:20 (11228): called boinc_finish
I assume the machine has lost the plot rather than it being a CSG specific problem.