It's possible with the just released symbian version, all the stages and agitation are fully customizable.
Originally Posted by Thomas Bertilsson
For example I had this agitation scheme:
Continuous agitation for the fist 30 seconds;
Agitate each 30 seconds until 2 minutes;
Agitate each minute until 10 minutes;
Agitate once per 2 minutes after 10 minutes.
It's also possible to save the same film/developer/ISO combination to favourites multiple times
with different settings, including agitation scheme.