Fixed bugs.

The minor update introducing a calendar feature has a neutral impact due to a complete lack of post-release user data. With zero post-update ratings or reviews on Android, the rating delta remains at zero. The net verdict is neutral pending further telemetry or user adoption.

Ver.3.9.0-3.9.16
- A calendar has been added.

Ver.3.8.0
- You can now select from past records when entering a location.
- The percentage of locations, times, and days of the week is now displayed in a graph.
- A list of words that appear on the map is displayed.

Ver.3.0.0
- As support for the database package that was used up until now has ended, we have migrated to a new package.

Ver.2.0.0
- Added a feature to record happiness.

Ver.1.0.0
- The app has been released.