This is an app that displays a blackboard (whiteboard) on your smartphone or tablet.
It is linked with GPS and can also be used as a simple logger.
・The used items are saved in the history list.
・Saved data can be output as a CSV file
・Can also read CSV files created in the same format
- Latitude and longitude information is also saved in the list, and the distance and direction (arrow) from the current location are displayed.