defaults.json settings

localData (false): 
false - app stores databases in system app documents folder in databases sub folder, and backups in backups sub folder
true - app creates it's data in the current directory where the executable is loaded from. 
       This is to prevent it being blocked by Windows controlled folders restrictions

If settings, support, log file on - creates a log file called planner_debug.log in the system temp folder, 
  Windows %LOCALAPPDATA%\Temp, or Android app cache folder, with the detail specified by logLevel

logLevel (OFF):
OFF - no log
else - , with more detail for each level:
SHOUT - app crash message
SEVERE - error stopping process but app not crashed
WARNING - problem needs to be checked
INFO - normal progress messages
CONFIG - not used
FINE - details on some processes
FINER - not used
FINEST - not used