手書きメモ帳 is a simple and free handwritten memo application available on the Android platform. With this app, users can easily create notes or calculation papers on their devices.

The list screen allows users to create new memos with the new button. They can also edit and delete memos from the list selection.

On the memo screen, users have access to various tools such as a pencil, eraser, undo and redo functions. The app also includes an all erase function, save function, image storage function, and mail attachment function. Users can save images in their device's storage or attach them to emails.

While the app provides a convenient way to jot down notes and perform calculations, some users have reported errors such as a black screen during operation and an error when pressing the "New" button. The developer is aware of these issues and is currently investigating them.

Overall, 手書きメモ帳 is a user-friendly handwritten memo application that offers basic features for note-taking and calculation. It is a useful tool for those who prefer handwritten notes on their Android devices.