LapTrax v2.27 has been released to the play store:

Recent Changes
v2.27
– REVISED: fix for ticker and final result order
– NEW: motion-detection V2
– NEW: scrapbook burst mode (max 8 pictures/lap)
– REVISED: fix for set camera exposure

The motion-detection feature has been completely re-written, and handles noise and minor shakes better.

as always, feedback and suggestions welcome!
thanks, protocol