Please add the widget after installation by long press at the home screen.

The line chart for the weight and the bar chart for the walking step count are displayed on the blackboard type widget.

Touching plus and minus images will zoom in/out for the line chart.

Set the target weight and the target daily step count by touching the eraser image on the blackboard first.

Input daily weight value by touching the weight value.

Touching line chart will open the data window. You can save / load the csv data.