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The highly practical "Understand Through Examples" series!

A dictionary of four-character idioms has been turned into an app!

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■ Dictionary Content Guide ■
・Gakken's Dictionary of Four-Character Idioms Understood Through Examples is a highly practical dictionary of four-character idioms.

・It includes numerous examples quoted from literary works and other sources.

・Containing approximately 5,000 entries, it can meet a variety of needs, from practical use to satisfying intellectual curiosity.

・It broadly collects idioms ranging from well-known to high-level.

This is the definitive dictionary for learning and using four-character idioms, featuring detailed explanations, historical anecdotes, and sources.

■ Enhance the dictionary's features with app functionality! ■
* The book's index is now available as an easy-to-use "index search" function!

You can search both the alphabetical and related indexes simply by selecting from the list.

■ Comprehensive Search Function! ■
* Automatic search with each keyword input. "Incremental search" instantly updates search results.
* Voice input is also supported for keyword input.
* Detailed keyword matching conditions can be specified, such as "prefix match" and "suffix match." The search is instantly updated when conditions are changed.
* "Full-text search" is available for almost all dictionaries, allowing you to search the text of all entries.
* "In-text search" is available to search the content of the dictionary entry you are currently reading.

* Automatically records entered keywords and displayed item history. Re-entering and re-displaying items is easy.

* Share with other apps – only possible with an app!
* Supports Android's basic "Share" function! You can have the dictionary browser search text selected in another app.
* You can freely specify the dictionary to search using "Share" from your existing dictionary apps.
* Conversely, you can use dictionary entry text to perform web searches. Of course, you can also search within the dictionary app.

* Customize text for easier reading!
* You can finely adjust the font size of dictionary entry text.
* Includes a dark theme display mode (black background + white text) that reduces eye strain.
* Of course, you can also change the item size using touch controls.

* Bookmark important information!
* You can bookmark dictionary entries at any time.
* Bookmarks can be categorized into 10 color patterns, and memo text can be set.

* The bookmark list screen includes a filter function to display only bookmarks of a specific color.

* The display order on the bookmark list screen can be sorted by registration date, item name, etc.

* Powerful Integration Between Dictionary Series!
* You can freely group dictionary series together and search them all at once.
* The search results list for group dictionaries allows you to jump to the beginning of each member dictionary.
* Duplicates are OK! You can register one dictionary as a member in various groups simultaneously.
* Bookmarks in group dictionaries can, of course, be displayed together.
* You can use the text of the displayed dictionary entry to quickly search in another dictionary.

* Convenient Additional and Extended Features Included!
* You can have the text of dictionary entries read aloud using synthesized speech.

* No Internet Connection Required After Setup!
* All data required by the dictionary is stored within the app.
* After installation and setup, it can be used completely offline.

■ Update History [Latest Version 3.01] ■
* Significantly revised the acquisition and management of dictionary data.
* Switched the auxiliary (dictionary browser) app used in conjunction with the dictionary app to a new, separate app.

■ Regarding Handwriting Input Function ■
* The handwriting input function "Rakuhira," which was built into the dictionary browser app,
will no longer be available due to development reasons at the function provider.
We sincerely apologize, but please consider using an alternative such as the "GBoard-Google Keyboard" app.

■ Notes ■
* To use this app, a free auxiliary app for searching and displaying the LogoVista electronic dictionary series is required.
If the auxiliary app is not found when you launch the app, an option to go to Google Play will be displayed.
Please obtain "LogoVista Electronic Dictionary Browser Ver.2 for Android" from Google Play.

* To use the text-to-speech function, you will need to install the free "Google Text-to-Speech" app separately.

* If you have any questions about our products, please contact us at the address below:
android.dev@logovista.co.jp

■ Data Saving to External Storage (External SD Card) ■
* You can save some of the dictionary app data to external storage (external SD card).
* There are conditions and precautions for use. For details, please check Q8 on our Q&A page below.

https://www.logovista.co.jp/LVERP/information/support/user_qa/android/top.html#Q8

■ Operating Environment ■
* Android OS 7.0 to 13.0
* The operating environment is for the latest publicly available version. Conditions may differ if you are using an older version.

■ Chromebook Compatibility:
To use the LogoVista Electronic Dictionary Series for Android app on a Chromebook, you need a Chromebook compatible with Google Play (Android apps).

■ Devices Not Supported:

・Android OS 1.0 to 6.0.1

・Android devices with non-ARM-based CPUs

・"Go Edition" versions of each Android OS

■ Developer/Distributor:

LogoVista Co., Ltd. https://www.logovista.co.jp/

■ Content Publisher:

Gakken Plus Co., Ltd.