This app was mentioned in 2 comments, with an average of 1.00 upvote
https://play.google.com/store/apps/details?id=com.visualvertigo.ShootTracer
It's still in beta on android, costs less too. Does anyone know of a phone holder that could attach to a trolley to use as a tripod?
Do you mean Shot Tracer? They have an android version in pre-release now:
https://play.google.com/store/apps/details?id=com.visualvertigo.ShootTracer&hl=en