In this update, I have fixed a bug that occurred when using dark mode.

In this update, I have added new wallpapers and included minor improvements.

In this update, changes have been made to the display order of graph data on the pages. Other minor fixes are also included.

In this update, I have improved the visibility of the dropdown button on the list page. It also includes minor enhancements.

In this update, I have added a page where you can view your flashcards in a quick-reference format. This page now supports dark mode and includes minor improvements.

In this update,I added a feature to adjust text brightness. It also includes other minor improvements.

I have changed the text for language switching to be displayed in English when using Japanese. Additionally, I have made changes related to the main page design.

This update includes changes to some sound effects and other minor improvements.

This update includes changes to the main page design, a bulk reset function for each category's memory levels, and several other improvements.

In this update, I have added new sound effects and wallpapers for main screen.

In this update,I fixed a bug where the dates in some dialogs were not being properly updated.

In this update, I have changed the types of sounds and optimized the volume. It also includes other minor improvements.

In this version, I have added a feature to prevent already learned cards from being displayed again. It also includes some minor improvements.

In this update, I have modified the specifications to ensure that the data for the memory level chart is preserved upon restarting the app. It also includes other minor improvements.

In this update, I have added logic for the method of displaying flashcards and made several minor improvements.

In this update, I have updated the toggle button design and the font size. It also includes other minor improvements.

In this update, you can now see comments for each category on the flashcard list page. Also, the color of the main page has been slightly changed.

In this update,I have adapted the color of the settings screen dialog to dark mode. It also includes other minor improvements.

In this update, I have fixed a bug where the screen would become completely white and unresponsive due to button operations when there is no flashcards. It also includes other minor improvements.

This update includes improvements to the card display method and bug fixes related to text misalignment.

In this update, I have fixed the bug in the text-to-speech feature. It also includes other minor improvements

In this update, I have changed the specifications to display the answers along with each card on the Flashcard List Page. Additionally, it includes other minor improvements.

In this update, I made a slight change to the display color of the flashcards.

In this update, I have added an option to always display the number of memorized cards on the main screen and two methods to control the order of card display, enhancing the efficiency of users' rote learning.

In this update, it is now possible to search through all categories for cards registered in the app without having to select a category. Additionally, users can now change the font size of the cards displayed. And in blackboard mode, users can choose whether or not to use a chalk-like font.It also includes some other minor improvements.